20342008

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{3617}}^1$

素因数の和:3679

約数の個数: 32

約数和(自身を含む): 41245200

約数和(自身を除く): 20903192

約数列:

[1, 2, 4, 8, 19, 37, 38, 74, 76, 148, 152, 296, 703, 1406, 2812, 3617, 5624, 7234, 14468, 28936, 68723, 133829, 137446, 267658, 274892, 535316, 549784, 1070632, 2542751, 5085502, 10171004, 20342008]

約数ペア:

[(1, 20342008), (2, 10171004), (4, 5085502), (8, 2542751), (19, 1070632), (37, 549784), (38, 535316), (74, 274892), (76, 267658), (148, 137446), (152, 133829), (296, 68723), (703, 28936), (1406, 14468), (2812, 7234), (3617, 5624)]