20291230680

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{652871}}^1$

素因数の和:652929

約数の個数: 128

約数和(自身を含む): 71450311680

約数和(自身を除く): 51159081000

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 37, 40, 42, 56, 60, 70, 74, 84, 105, 111, 120, 140, 148, 168, 185, 210, 222, 259, 280, 296, 370, 420, 444, 518, 555, 740, 777, 840, 888, 1036, 1110, 1295, 1480, 1554, 2072, 2220, 2590, 3108, 3885, 4440, 5180, 6216, 7770, 10360, 15540, 31080, 652871, 1305742, 1958613, 2611484, 3264355, 3917226, 4570097, 5222968, 6528710, 7834452, 9140194, 9793065, 13057420, 13710291, 15668904, 18280388, 19586130, 22850485, 24156227, 26114840, 27420582, 36560776, 39172260, 45700970, 48312454, 54841164, 68551455, 72468681, 78344520, 91401940, 96624908, 109682328, 120781135, 137102910, 144937362, 169093589, 182803880, 193249816, 241562270, 274205820, 289874724, 338187178, 362343405, 483124540, 507280767, 548411640, 579749448, 676374356, 724686810, 845467945, 966249080, 1014561534, 1352748712, 1449373620, 1690935890, 2029123068, 2536403835, 2898747240, 3381871780, 4058246136, 5072807670, 6763743560, 10145615340, 20291230680]

約数ペア:

[(1, 20291230680), (2, 10145615340), (3, 6763743560), (4, 5072807670), (5, 4058246136), (6, 3381871780), (7, 2898747240), (8, 2536403835), (10, 2029123068), (12, 1690935890), (14, 1449373620), (15, 1352748712), (20, 1014561534), (21, 966249080), (24, 845467945), (28, 724686810), (30, 676374356), (35, 579749448), (37, 548411640), (40, 507280767), (42, 483124540), (56, 362343405), (60, 338187178), (70, 289874724), (74, 274205820), (84, 241562270), (105, 193249816), (111, 182803880), (120, 169093589), (140, 144937362), (148, 137102910), (168, 120781135), (185, 109682328), (210, 96624908), (222, 91401940), (259, 78344520), (280, 72468681), (296, 68551455), (370, 54841164), (420, 48312454), (444, 45700970), (518, 39172260), (555, 36560776), (740, 27420582), (777, 26114840), (840, 24156227), (888, 22850485), (1036, 19586130), (1110, 18280388), (1295, 15668904), (1480, 13710291), (1554, 13057420), (2072, 9793065), (2220, 9140194), (2590, 7834452), (3108, 6528710), (3885, 5222968), (4440, 4570097), (5180, 3917226), (6216, 3264355), (7770, 2611484), (10360, 1958613), (15540, 1305742), (31080, 652871)]