20797164

素因数分解:

$2^2\times 3^2\times {\mathrm{89}}^1\times {\mathrm{6491}}^1$

素因数の和:6590

約数の個数: 36

約数和(自身を含む): 53169480

約数和(自身を除く): 32372316

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 89, 178, 267, 356, 534, 801, 1068, 1602, 3204, 6491, 12982, 19473, 25964, 38946, 58419, 77892, 116838, 233676, 577699, 1155398, 1733097, 2310796, 3466194, 5199291, 6932388, 10398582, 20797164]

約数ペア:

[(1, 20797164), (2, 10398582), (3, 6932388), (4, 5199291), (6, 3466194), (9, 2310796), (12, 1733097), (18, 1155398), (36, 577699), (89, 233676), (178, 116838), (267, 77892), (356, 58419), (534, 38946), (801, 25964), (1068, 19473), (1602, 12982), (3204, 6491)]