20216205100

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{263}}^1\times {\mathrm{8447}}^1$

素因数の和:8744

約数の個数: 144

約数和(自身を含む): 54204530688

約数和(自身を除く): 33988325588

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 25, 26, 28, 35, 50, 52, 65, 70, 91, 100, 130, 140, 175, 182, 260, 263, 325, 350, 364, 455, 526, 650, 700, 910, 1052, 1300, 1315, 1820, 1841, 2275, 2630, 3419, 3682, 4550, 5260, 6575, 6838, 7364, 8447, 9100, 9205, 13150, 13676, 16894, 17095, 18410, 23933, 26300, 33788, 34190, 36820, 42235, 46025, 47866, 59129, 68380, 84470, 85475, 92050, 95732, 109811, 118258, 119665, 168940, 170950, 184100, 211175, 219622, 236516, 239330, 295645, 341900, 422350, 439244, 478660, 549055, 591290, 598325, 768677, 844700, 1098110, 1182580, 1196650, 1478225, 1537354, 2196220, 2221561, 2393300, 2745275, 2956450, 3074708, 3843385, 4443122, 5490550, 5912900, 7686770, 8886244, 10981100, 11107805, 15373540, 15550927, 19216925, 22215610, 28880293, 31101854, 38433850, 44431220, 55539025, 57760586, 62203708, 76867700, 77754635, 111078050, 115521172, 144401465, 155509270, 202162051, 222156100, 288802930, 311018540, 388773175, 404324102, 577605860, 722007325, 777546350, 808648204, 1010810255, 1444014650, 1555092700, 2021620510, 2888029300, 4043241020, 5054051275, 10108102550, 20216205100]

約数ペア:

[(1, 20216205100), (2, 10108102550), (4, 5054051275), (5, 4043241020), (7, 2888029300), (10, 2021620510), (13, 1555092700), (14, 1444014650), (20, 1010810255), (25, 808648204), (26, 777546350), (28, 722007325), (35, 577605860), (50, 404324102), (52, 388773175), (65, 311018540), (70, 288802930), (91, 222156100), (100, 202162051), (130, 155509270), (140, 144401465), (175, 115521172), (182, 111078050), (260, 77754635), (263, 76867700), (325, 62203708), (350, 57760586), (364, 55539025), (455, 44431220), (526, 38433850), (650, 31101854), (700, 28880293), (910, 22215610), (1052, 19216925), (1300, 15550927), (1315, 15373540), (1820, 11107805), (1841, 10981100), (2275, 8886244), (2630, 7686770), (3419, 5912900), (3682, 5490550), (4550, 4443122), (5260, 3843385), (6575, 3074708), (6838, 2956450), (7364, 2745275), (8447, 2393300), (9100, 2221561), (9205, 2196220), (13150, 1537354), (13676, 1478225), (16894, 1196650), (17095, 1182580), (18410, 1098110), (23933, 844700), (26300, 768677), (33788, 598325), (34190, 591290), (36820, 549055), (42235, 478660), (46025, 439244), (47866, 422350), (59129, 341900), (68380, 295645), (84470, 239330), (85475, 236516), (92050, 219622), (95732, 211175), (109811, 184100), (118258, 170950), (119665, 168940)]