20185620

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{3697}}^1$

素因数の和:3729

約数の個数: 96

約数和(自身を含む): 69581568

約数和(自身を除く): 49395948

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 13, 14, 15, 20, 21, 26, 28, 30, 35, 39, 42, 52, 60, 65, 70, 78, 84, 91, 105, 130, 140, 156, 182, 195, 210, 260, 273, 364, 390, 420, 455, 546, 780, 910, 1092, 1365, 1820, 2730, 3697, 5460, 7394, 11091, 14788, 18485, 22182, 25879, 36970, 44364, 48061, 51758, 55455, 73940, 77637, 96122, 103516, 110910, 129395, 144183, 155274, 192244, 221820, 240305, 258790, 288366, 310548, 336427, 388185, 480610, 517580, 576732, 672854, 720915, 776370, 961220, 1009281, 1345708, 1441830, 1552740, 1682135, 2018562, 2883660, 3364270, 4037124, 5046405, 6728540, 10092810, 20185620]

約数ペア:

[(1, 20185620), (2, 10092810), (3, 6728540), (4, 5046405), (5, 4037124), (6, 3364270), (7, 2883660), (10, 2018562), (12, 1682135), (13, 1552740), (14, 1441830), (15, 1345708), (20, 1009281), (21, 961220), (26, 776370), (28, 720915), (30, 672854), (35, 576732), (39, 517580), (42, 480610), (52, 388185), (60, 336427), (65, 310548), (70, 288366), (78, 258790), (84, 240305), (91, 221820), (105, 192244), (130, 155274), (140, 144183), (156, 129395), (182, 110910), (195, 103516), (210, 96122), (260, 77637), (273, 73940), (364, 55455), (390, 51758), (420, 48061), (455, 44364), (546, 36970), (780, 25879), (910, 22182), (1092, 18485), (1365, 14788), (1820, 11091), (2730, 7394), (3697, 5460)]