20017503800

素因数分解:

$2^3\times 5^2\times 7^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1\times {\mathrm{5717}}^1$

素因数の和:5842

約数の個数: 192

約数和(自身を含む): 55389579840

約数和(自身を除く): 35372076040

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 25, 28, 35, 40, 41, 50, 56, 61, 70, 82, 100, 122, 140, 164, 175, 200, 205, 244, 280, 287, 305, 328, 350, 410, 427, 488, 574, 610, 700, 820, 854, 1025, 1148, 1220, 1400, 1435, 1525, 1640, 1708, 2050, 2135, 2296, 2440, 2501, 2870, 3050, 3416, 4100, 4270, 5002, 5717, 5740, 6100, 7175, 8200, 8540, 10004, 10675, 11434, 11480, 12200, 12505, 14350, 17080, 17507, 20008, 21350, 22868, 25010, 28585, 28700, 35014, 40019, 42700, 45736, 50020, 57170, 57400, 62525, 70028, 80038, 85400, 87535, 100040, 114340, 125050, 140056, 142925, 160076, 175070, 200095, 228680, 234397, 250100, 285850, 320152, 348737, 350140, 400190, 437675, 468794, 500200, 571700, 697474, 700280, 800380, 875350, 937588, 1000475, 1143400, 1171985, 1394948, 1600760, 1640779, 1743685, 1750700, 1875176, 2000950, 2343970, 2441159, 2789896, 3281558, 3487370, 3501400, 4001900, 4687940, 4882318, 5859925, 6563116, 6974740, 8003800, 8203895, 8718425, 9375880, 9764636, 11719850, 12205795, 13126232, 13949480, 14298217, 16407790, 17436850, 19529272, 23439700, 24411590, 28596434, 32815580, 34873700, 41019475, 46879400, 48823180, 57192868, 61028975, 65631160, 69747400, 71491085, 82038950, 97646360, 100087519, 114385736, 122057950, 142982170, 164077900, 200175038, 244115900, 285964340, 328155800, 357455425, 400350076, 488231800, 500437595, 571928680, 714910850, 800700152, 1000875190, 1429821700, 2001750380, 2502187975, 2859643400, 4003500760, 5004375950, 10008751900, 20017503800]

約数ペア:

[(1, 20017503800), (2, 10008751900), (4, 5004375950), (5, 4003500760), (7, 2859643400), (8, 2502187975), (10, 2001750380), (14, 1429821700), (20, 1000875190), (25, 800700152), (28, 714910850), (35, 571928680), (40, 500437595), (41, 488231800), (50, 400350076), (56, 357455425), (61, 328155800), (70, 285964340), (82, 244115900), (100, 200175038), (122, 164077900), (140, 142982170), (164, 122057950), (175, 114385736), (200, 100087519), (205, 97646360), (244, 82038950), (280, 71491085), (287, 69747400), (305, 65631160), (328, 61028975), (350, 57192868), (410, 48823180), (427, 46879400), (488, 41019475), (574, 34873700), (610, 32815580), (700, 28596434), (820, 24411590), (854, 23439700), (1025, 19529272), (1148, 17436850), (1220, 16407790), (1400, 14298217), (1435, 13949480), (1525, 13126232), (1640, 12205795), (1708, 11719850), (2050, 9764636), (2135, 9375880), (2296, 8718425), (2440, 8203895), (2501, 8003800), (2870, 6974740), (3050, 6563116), (3416, 5859925), (4100, 4882318), (4270, 4687940), (5002, 4001900), (5717, 3501400), (5740, 3487370), (6100, 3281558), (7175, 2789896), (8200, 2441159), (8540, 2343970), (10004, 2000950), (10675, 1875176), (11434, 1750700), (11480, 1743685), (12200, 1640779), (12505, 1600760), (14350, 1394948), (17080, 1171985), (17507, 1143400), (20008, 1000475), (21350, 937588), (22868, 875350), (25010, 800380), (28585, 700280), (28700, 697474), (35014, 571700), (40019, 500200), (42700, 468794), (45736, 437675), (50020, 400190), (57170, 350140), (57400, 348737), (62525, 320152), (70028, 285850), (80038, 250100), (85400, 234397), (87535, 228680), (100040, 200095), (114340, 175070), (125050, 160076), (140056, 142925)]