20023668

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{181}}^1\times {\mathrm{439}}^1$

素因数の和:637

約数の個数: 72

約数和(自身を含む): 58298240

約数和(自身を除く): 38274572

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 181, 252, 362, 439, 543, 724, 878, 1086, 1267, 1317, 1629, 1756, 2172, 2534, 2634, 3073, 3258, 3801, 3951, 5068, 5268, 6146, 6516, 7602, 7902, 9219, 11403, 12292, 15204, 15804, 18438, 22806, 27657, 36876, 45612, 55314, 79459, 110628, 158918, 238377, 317836, 476754, 556213, 715131, 953508, 1112426, 1430262, 1668639, 2224852, 2860524, 3337278, 5005917, 6674556, 10011834, 20023668]

約数ペア:

[(1, 20023668), (2, 10011834), (3, 6674556), (4, 5005917), (6, 3337278), (7, 2860524), (9, 2224852), (12, 1668639), (14, 1430262), (18, 1112426), (21, 953508), (28, 715131), (36, 556213), (42, 476754), (63, 317836), (84, 238377), (126, 158918), (181, 110628), (252, 79459), (362, 55314), (439, 45612), (543, 36876), (724, 27657), (878, 22806), (1086, 18438), (1267, 15804), (1317, 15204), (1629, 12292), (1756, 11403), (2172, 9219), (2534, 7902), (2634, 7602), (3073, 6516), (3258, 6146), (3801, 5268), (3951, 5068)]