20463552280

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{277}}^1\times {\mathrm{34847}}^1$

素因数の和:35188

約数の個数: 64

約数和(自身を含む): 47082435840

約数和(自身を除く): 26618883560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 106, 212, 265, 277, 424, 530, 554, 1060, 1108, 1385, 2120, 2216, 2770, 5540, 11080, 14681, 29362, 34847, 58724, 69694, 73405, 117448, 139388, 146810, 174235, 278776, 293620, 348470, 587240, 696940, 1393880, 1846891, 3693782, 7387564, 9234455, 9652619, 14775128, 18468910, 19305238, 36937820, 38610476, 48263095, 73875640, 77220952, 96526190, 193052380, 386104760, 511588807, 1023177614, 2046355228, 2557944035, 4092710456, 5115888070, 10231776140, 20463552280]

約数ペア:

[(1, 20463552280), (2, 10231776140), (4, 5115888070), (5, 4092710456), (8, 2557944035), (10, 2046355228), (20, 1023177614), (40, 511588807), (53, 386104760), (106, 193052380), (212, 96526190), (265, 77220952), (277, 73875640), (424, 48263095), (530, 38610476), (554, 36937820), (1060, 19305238), (1108, 18468910), (1385, 14775128), (2120, 9652619), (2216, 9234455), (2770, 7387564), (5540, 3693782), (11080, 1846891), (14681, 1393880), (29362, 696940), (34847, 587240), (58724, 348470), (69694, 293620), (73405, 278776), (117448, 174235), (139388, 146810)]