20663790

素因数分解:

$2^1\times 3^1\times 5^1\times 7^2\times {\mathrm{14057}}^1$

素因数の和:14081

約数の個数: 48

約数和(自身を含む): 57694032

約数和(自身を除く): 37030242

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 49, 70, 98, 105, 147, 210, 245, 294, 490, 735, 1470, 14057, 28114, 42171, 70285, 84342, 98399, 140570, 196798, 210855, 295197, 421710, 491995, 590394, 688793, 983990, 1377586, 1475985, 2066379, 2951970, 3443965, 4132758, 6887930, 10331895, 20663790]

約数ペア:

[(1, 20663790), (2, 10331895), (3, 6887930), (5, 4132758), (6, 3443965), (7, 2951970), (10, 2066379), (14, 1475985), (15, 1377586), (21, 983990), (30, 688793), (35, 590394), (42, 491995), (49, 421710), (70, 295197), (98, 210855), (105, 196798), (147, 140570), (210, 98399), (245, 84342), (294, 70285), (490, 42171), (735, 28114), (1470, 14057)]