20565210

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{461}}^1\times {\mathrm{1487}}^1$

素因数の和:1958

約数の個数: 32

約数和(自身を含む): 49496832

約数和(自身を除く): 28931622

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 461, 922, 1383, 1487, 2305, 2766, 2974, 4461, 4610, 6915, 7435, 8922, 13830, 14870, 22305, 44610, 685507, 1371014, 2056521, 3427535, 4113042, 6855070, 10282605, 20565210]

約数ペア:

[(1, 20565210), (2, 10282605), (3, 6855070), (5, 4113042), (6, 3427535), (10, 2056521), (15, 1371014), (30, 685507), (461, 44610), (922, 22305), (1383, 14870), (1487, 13830), (2305, 8922), (2766, 7435), (2974, 6915), (4461, 4610)]