20632040

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{3607}}^1$

素因数の和:3642

約数の個数: 64

約数和(自身を含む): 54552960

約数和(自身を除く): 33920920

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 20, 22, 26, 40, 44, 52, 55, 65, 88, 104, 110, 130, 143, 220, 260, 286, 440, 520, 572, 715, 1144, 1430, 2860, 3607, 5720, 7214, 14428, 18035, 28856, 36070, 39677, 46891, 72140, 79354, 93782, 144280, 158708, 187564, 198385, 234455, 317416, 375128, 396770, 468910, 515801, 793540, 937820, 1031602, 1587080, 1875640, 2063204, 2579005, 4126408, 5158010, 10316020, 20632040]

約数ペア:

[(1, 20632040), (2, 10316020), (4, 5158010), (5, 4126408), (8, 2579005), (10, 2063204), (11, 1875640), (13, 1587080), (20, 1031602), (22, 937820), (26, 793540), (40, 515801), (44, 468910), (52, 396770), (55, 375128), (65, 317416), (88, 234455), (104, 198385), (110, 187564), (130, 158708), (143, 144280), (220, 93782), (260, 79354), (286, 72140), (440, 46891), (520, 39677), (572, 36070), (715, 28856), (1144, 18035), (1430, 14428), (2860, 7214), (3607, 5720)]