20090198520

素因数分解:

$2^3\times 3^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{257171}}^1$

素因数の和:257226

約数の個数: 192

約数和(自身を含む): 77028157440

約数和(自身を除く): 56937958920

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 28, 30, 31, 35, 36, 40, 42, 45, 56, 60, 62, 63, 70, 72, 84, 90, 93, 105, 120, 124, 126, 140, 155, 168, 180, 186, 210, 217, 248, 252, 279, 280, 310, 315, 360, 372, 420, 434, 465, 504, 558, 620, 630, 651, 744, 840, 868, 930, 1085, 1116, 1240, 1260, 1302, 1395, 1736, 1860, 1953, 2170, 2232, 2520, 2604, 2790, 3255, 3720, 3906, 4340, 5208, 5580, 6510, 7812, 8680, 9765, 11160, 13020, 15624, 19530, 26040, 39060, 78120, 257171, 514342, 771513, 1028684, 1285855, 1543026, 1800197, 2057368, 2314539, 2571710, 3086052, 3600394, 3857565, 4629078, 5143420, 5400591, 6172104, 7200788, 7715130, 7972301, 9000985, 9258156, 10286840, 10801182, 11572695, 14401576, 15430260, 15944602, 16201773, 18001970, 18516312, 21602364, 23145390, 23916903, 27002955, 30860520, 31889204, 32403546, 36003940, 39861505, 43204728, 46290780, 47833806, 54005910, 55806107, 63778408, 64807092, 71750709, 72007880, 79723010, 81008865, 92581560, 95667612, 108011820, 111612214, 119584515, 129614184, 143501418, 159446020, 162017730, 167418321, 191335224, 216023640, 223224428, 239169030, 279030535, 287002836, 318892040, 324035460, 334836642, 358753545, 446448856, 478338060, 502254963, 558061070, 574005672, 648070920, 669673284, 717507090, 837091605, 956676120, 1004509926, 1116122140, 1339346568, 1435014180, 1674183210, 2009019852, 2232244280, 2511274815, 2870028360, 3348366420, 4018039704, 5022549630, 6696732840, 10045099260, 20090198520]

約数ペア:

[(1, 20090198520), (2, 10045099260), (3, 6696732840), (4, 5022549630), (5, 4018039704), (6, 3348366420), (7, 2870028360), (8, 2511274815), (9, 2232244280), (10, 2009019852), (12, 1674183210), (14, 1435014180), (15, 1339346568), (18, 1116122140), (20, 1004509926), (21, 956676120), (24, 837091605), (28, 717507090), (30, 669673284), (31, 648070920), (35, 574005672), (36, 558061070), (40, 502254963), (42, 478338060), (45, 446448856), (56, 358753545), (60, 334836642), (62, 324035460), (63, 318892040), (70, 287002836), (72, 279030535), (84, 239169030), (90, 223224428), (93, 216023640), (105, 191335224), (120, 167418321), (124, 162017730), (126, 159446020), (140, 143501418), (155, 129614184), (168, 119584515), (180, 111612214), (186, 108011820), (210, 95667612), (217, 92581560), (248, 81008865), (252, 79723010), (279, 72007880), (280, 71750709), (310, 64807092), (315, 63778408), (360, 55806107), (372, 54005910), (420, 47833806), (434, 46290780), (465, 43204728), (504, 39861505), (558, 36003940), (620, 32403546), (630, 31889204), (651, 30860520), (744, 27002955), (840, 23916903), (868, 23145390), (930, 21602364), (1085, 18516312), (1116, 18001970), (1240, 16201773), (1260, 15944602), (1302, 15430260), (1395, 14401576), (1736, 11572695), (1860, 10801182), (1953, 10286840), (2170, 9258156), (2232, 9000985), (2520, 7972301), (2604, 7715130), (2790, 7200788), (3255, 6172104), (3720, 5400591), (3906, 5143420), (4340, 4629078), (5208, 3857565), (5580, 3600394), (6510, 3086052), (7812, 2571710), (8680, 2314539), (9765, 2057368), (11160, 1800197), (13020, 1543026), (15624, 1285855), (19530, 1028684), (26040, 771513), (39060, 514342), (78120, 257171)]