20195778820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{179}}^1\times {\mathrm{947}}^1$

素因数の和:1202

約数の個数: 192

約数和(自身を含む): 52289556480

約数和(自身を除く): 32093777660

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 28, 35, 37, 46, 70, 74, 92, 115, 140, 148, 161, 179, 185, 230, 259, 322, 358, 370, 460, 518, 644, 716, 740, 805, 851, 895, 947, 1036, 1253, 1295, 1610, 1702, 1790, 1894, 2506, 2590, 3220, 3404, 3580, 3788, 4117, 4255, 4735, 5012, 5180, 5957, 6265, 6623, 6629, 8234, 8510, 9470, 11914, 12530, 13246, 13258, 16468, 17020, 18940, 20585, 21781, 23828, 25060, 26492, 26516, 28819, 29785, 33115, 33145, 35039, 41170, 43562, 46361, 57638, 59570, 66230, 66290, 70078, 82340, 87124, 92722, 108905, 115276, 119140, 132460, 132580, 140156, 144095, 152329, 152467, 169513, 175195, 185444, 217810, 231805, 245273, 288190, 304658, 304934, 339026, 350390, 435620, 463610, 490546, 576380, 609316, 609868, 678052, 700780, 761645, 762335, 805897, 847565, 927220, 981092, 1066303, 1186591, 1226365, 1523290, 1524670, 1611794, 1695130, 2132606, 2373182, 2452730, 3046580, 3049340, 3223588, 3390260, 3898799, 4029485, 4265212, 4746364, 4905460, 5331515, 5641279, 5932955, 6271981, 7797598, 8058970, 10663030, 11282558, 11865910, 12543962, 15595196, 16117940, 19493995, 21326060, 22565116, 23731820, 25087924, 27291593, 28206395, 31359905, 38987990, 43903867, 54583186, 56412790, 62719810, 77975980, 87807734, 109166372, 112825580, 125439620, 136457965, 144255563, 175615468, 219519335, 272915930, 288511126, 439038670, 545831860, 577022252, 721277815, 878077340, 1009788941, 1442555630, 2019577882, 2885111260, 4039155764, 5048944705, 10097889410, 20195778820]

約数ペア:

[(1, 20195778820), (2, 10097889410), (4, 5048944705), (5, 4039155764), (7, 2885111260), (10, 2019577882), (14, 1442555630), (20, 1009788941), (23, 878077340), (28, 721277815), (35, 577022252), (37, 545831860), (46, 439038670), (70, 288511126), (74, 272915930), (92, 219519335), (115, 175615468), (140, 144255563), (148, 136457965), (161, 125439620), (179, 112825580), (185, 109166372), (230, 87807734), (259, 77975980), (322, 62719810), (358, 56412790), (370, 54583186), (460, 43903867), (518, 38987990), (644, 31359905), (716, 28206395), (740, 27291593), (805, 25087924), (851, 23731820), (895, 22565116), (947, 21326060), (1036, 19493995), (1253, 16117940), (1295, 15595196), (1610, 12543962), (1702, 11865910), (1790, 11282558), (1894, 10663030), (2506, 8058970), (2590, 7797598), (3220, 6271981), (3404, 5932955), (3580, 5641279), (3788, 5331515), (4117, 4905460), (4255, 4746364), (4735, 4265212), (5012, 4029485), (5180, 3898799), (5957, 3390260), (6265, 3223588), (6623, 3049340), (6629, 3046580), (8234, 2452730), (8510, 2373182), (9470, 2132606), (11914, 1695130), (12530, 1611794), (13246, 1524670), (13258, 1523290), (16468, 1226365), (17020, 1186591), (18940, 1066303), (20585, 981092), (21781, 927220), (23828, 847565), (25060, 805897), (26492, 762335), (26516, 761645), (28819, 700780), (29785, 678052), (33115, 609868), (33145, 609316), (35039, 576380), (41170, 490546), (43562, 463610), (46361, 435620), (57638, 350390), (59570, 339026), (66230, 304934), (66290, 304658), (70078, 288190), (82340, 245273), (87124, 231805), (92722, 217810), (108905, 185444), (115276, 175195), (119140, 169513), (132460, 152467), (132580, 152329), (140156, 144095)]