20342910

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{1327}}^1$

素因数の和:1417

約数の個数: 64

約数和(自身を含む): 56604672

約数和(自身を除く): 36261762

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 73, 105, 146, 210, 219, 365, 438, 511, 730, 1022, 1095, 1327, 1533, 2190, 2555, 2654, 3066, 3981, 5110, 6635, 7665, 7962, 9289, 13270, 15330, 18578, 19905, 27867, 39810, 46445, 55734, 92890, 96871, 139335, 193742, 278670, 290613, 484355, 581226, 678097, 968710, 1356194, 1453065, 2034291, 2906130, 3390485, 4068582, 6780970, 10171455, 20342910]

約数ペア:

[(1, 20342910), (2, 10171455), (3, 6780970), (5, 4068582), (6, 3390485), (7, 2906130), (10, 2034291), (14, 1453065), (15, 1356194), (21, 968710), (30, 678097), (35, 581226), (42, 484355), (70, 290613), (73, 278670), (105, 193742), (146, 139335), (210, 96871), (219, 92890), (365, 55734), (438, 46445), (511, 39810), (730, 27867), (1022, 19905), (1095, 18578), (1327, 15330), (1533, 13270), (2190, 9289), (2555, 7962), (2654, 7665), (3066, 6635), (3981, 5110)]