20227788680

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{3623}}^1\times {\mathrm{12689}}^1$

素因数の和:16334

約数の個数: 64

約数和(自身を含む): 49667644800

約数和(自身を除く): 29439856120

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 3623, 7246, 12689, 14492, 18115, 25378, 28984, 36230, 39853, 50756, 63445, 72460, 79706, 101512, 126890, 139579, 144920, 159412, 199265, 253780, 279158, 318824, 398530, 507560, 558316, 697895, 797060, 1116632, 1395790, 1594120, 2791580, 5583160, 45972247, 91944494, 183888988, 229861235, 367777976, 459722470, 505694717, 919444940, 1011389434, 1838889880, 2022778868, 2528473585, 4045557736, 5056947170, 10113894340, 20227788680]

約数ペア:

[(1, 20227788680), (2, 10113894340), (4, 5056947170), (5, 4045557736), (8, 2528473585), (10, 2022778868), (11, 1838889880), (20, 1011389434), (22, 919444940), (40, 505694717), (44, 459722470), (55, 367777976), (88, 229861235), (110, 183888988), (220, 91944494), (440, 45972247), (3623, 5583160), (7246, 2791580), (12689, 1594120), (14492, 1395790), (18115, 1116632), (25378, 797060), (28984, 697895), (36230, 558316), (39853, 507560), (50756, 398530), (63445, 318824), (72460, 279158), (79706, 253780), (101512, 199265), (126890, 159412), (139579, 144920)]