20311642260

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{1240027}}^1$

素因数の和:1240062

約数の個数: 144

約数和(自身を含む): 75830192256

約数和(自身を除く): 55518549996

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 13, 14, 15, 18, 20, 21, 26, 28, 30, 35, 36, 39, 42, 45, 52, 60, 63, 65, 70, 78, 84, 90, 91, 105, 117, 126, 130, 140, 156, 180, 182, 195, 210, 234, 252, 260, 273, 315, 364, 390, 420, 455, 468, 546, 585, 630, 780, 819, 910, 1092, 1170, 1260, 1365, 1638, 1820, 2340, 2730, 3276, 4095, 5460, 8190, 16380, 1240027, 2480054, 3720081, 4960108, 6200135, 7440162, 8680189, 11160243, 12400270, 14880324, 16120351, 17360378, 18600405, 22320486, 24800540, 26040567, 32240702, 34720756, 37200810, 43400945, 44640972, 48361053, 52081134, 55801215, 64481404, 74401620, 78121701, 80601755, 86801890, 96722106, 104162268, 111602430, 112842457, 130202835, 145083159, 156243402, 161203510, 173603780, 193444212, 223204860, 225684914, 241805265, 260405670, 290166318, 312486804, 322407020, 338527371, 390608505, 451369828, 483610530, 520811340, 564212285, 580332636, 677054742, 725415795, 781217010, 967221060, 1015582113, 1128424570, 1354109484, 1450831590, 1562434020, 1692636855, 2031164226, 2256849140, 2901663180, 3385273710, 4062328452, 5077910565, 6770547420, 10155821130, 20311642260]

約数ペア:

[(1, 20311642260), (2, 10155821130), (3, 6770547420), (4, 5077910565), (5, 4062328452), (6, 3385273710), (7, 2901663180), (9, 2256849140), (10, 2031164226), (12, 1692636855), (13, 1562434020), (14, 1450831590), (15, 1354109484), (18, 1128424570), (20, 1015582113), (21, 967221060), (26, 781217010), (28, 725415795), (30, 677054742), (35, 580332636), (36, 564212285), (39, 520811340), (42, 483610530), (45, 451369828), (52, 390608505), (60, 338527371), (63, 322407020), (65, 312486804), (70, 290166318), (78, 260405670), (84, 241805265), (90, 225684914), (91, 223204860), (105, 193444212), (117, 173603780), (126, 161203510), (130, 156243402), (140, 145083159), (156, 130202835), (180, 112842457), (182, 111602430), (195, 104162268), (210, 96722106), (234, 86801890), (252, 80601755), (260, 78121701), (273, 74401620), (315, 64481404), (364, 55801215), (390, 52081134), (420, 48361053), (455, 44640972), (468, 43400945), (546, 37200810), (585, 34720756), (630, 32240702), (780, 26040567), (819, 24800540), (910, 22320486), (1092, 18600405), (1170, 17360378), (1260, 16120351), (1365, 14880324), (1638, 12400270), (1820, 11160243), (2340, 8680189), (2730, 7440162), (3276, 6200135), (4095, 4960108), (5460, 3720081), (8190, 2480054), (16380, 1240027)]