20805045018

素因数分解:

$2^1\times 3^1\times {\mathrm{37}}^1\times {\mathrm{223}}^1\times {\mathrm{420253}}^1$

素因数の和:420518

約数の個数: 32

約数和(自身を含む): 42926424576

約数和(自身を除く): 22121379558

約数列:

[1, 2, 3, 6, 37, 74, 111, 222, 223, 446, 669, 1338, 8251, 16502, 24753, 49506, 420253, 840506, 1260759, 2521518, 15549361, 31098722, 46648083, 93296166, 93716419, 187432838, 281149257, 562298514, 3467507503, 6935015006, 10402522509, 20805045018]

約数ペア:

[(1, 20805045018), (2, 10402522509), (3, 6935015006), (6, 3467507503), (37, 562298514), (74, 281149257), (111, 187432838), (222, 93716419), (223, 93296166), (446, 46648083), (669, 31098722), (1338, 15549361), (8251, 2521518), (16502, 1260759), (24753, 840506), (49506, 420253)]