20189052

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{179}}^1\times {\mathrm{241}}^1$

素因数の和:443

約数の個数: 72

約数和(自身を含む): 55495440

約数和(自身を除く): 35306388

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 117, 156, 179, 234, 241, 358, 468, 482, 537, 716, 723, 964, 1074, 1446, 1611, 2148, 2169, 2327, 2892, 3133, 3222, 4338, 4654, 6266, 6444, 6981, 8676, 9308, 9399, 12532, 13962, 18798, 20943, 27924, 28197, 37596, 41886, 43139, 56394, 83772, 86278, 112788, 129417, 172556, 258834, 388251, 517668, 560807, 776502, 1121614, 1553004, 1682421, 2243228, 3364842, 5047263, 6729684, 10094526, 20189052]

約数ペア:

[(1, 20189052), (2, 10094526), (3, 6729684), (4, 5047263), (6, 3364842), (9, 2243228), (12, 1682421), (13, 1553004), (18, 1121614), (26, 776502), (36, 560807), (39, 517668), (52, 388251), (78, 258834), (117, 172556), (156, 129417), (179, 112788), (234, 86278), (241, 83772), (358, 56394), (468, 43139), (482, 41886), (537, 37596), (716, 28197), (723, 27924), (964, 20943), (1074, 18798), (1446, 13962), (1611, 12532), (2148, 9399), (2169, 9308), (2327, 8676), (2892, 6981), (3133, 6444), (3222, 6266), (4338, 4654)]