20639304

素因数分解:

$2^3\times 3^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{1321}}^1$

素因数の和:1371

約数の個数: 96

約数和(自身を含む): 65994240

約数和(自身を除く): 45354936

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 28, 31, 36, 42, 56, 62, 63, 72, 84, 93, 124, 126, 168, 186, 217, 248, 252, 279, 372, 434, 504, 558, 651, 744, 868, 1116, 1302, 1321, 1736, 1953, 2232, 2604, 2642, 3906, 3963, 5208, 5284, 7812, 7926, 9247, 10568, 11889, 15624, 15852, 18494, 23778, 27741, 31704, 36988, 40951, 47556, 55482, 73976, 81902, 83223, 95112, 110964, 122853, 163804, 166446, 221928, 245706, 286657, 327608, 332892, 368559, 491412, 573314, 665784, 737118, 859971, 982824, 1146628, 1474236, 1719942, 2293256, 2579913, 2948472, 3439884, 5159826, 6879768, 10319652, 20639304]

約数ペア:

[(1, 20639304), (2, 10319652), (3, 6879768), (4, 5159826), (6, 3439884), (7, 2948472), (8, 2579913), (9, 2293256), (12, 1719942), (14, 1474236), (18, 1146628), (21, 982824), (24, 859971), (28, 737118), (31, 665784), (36, 573314), (42, 491412), (56, 368559), (62, 332892), (63, 327608), (72, 286657), (84, 245706), (93, 221928), (124, 166446), (126, 163804), (168, 122853), (186, 110964), (217, 95112), (248, 83223), (252, 81902), (279, 73976), (372, 55482), (434, 47556), (504, 40951), (558, 36988), (651, 31704), (744, 27741), (868, 23778), (1116, 18494), (1302, 15852), (1321, 15624), (1736, 11889), (1953, 10568), (2232, 9247), (2604, 7926), (2642, 7812), (3906, 5284), (3963, 5208)]