20802364359

素因数分解:

$3^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{89}}^1\times {\mathrm{236813}}^1$

素因数の和:236959

約数の個数: 32

約数和(自身を含む): 32737167360

約数和(自身を除く): 11934803001

約数列:

[1, 3, 7, 21, 47, 89, 141, 267, 329, 623, 987, 1869, 4183, 12549, 29281, 87843, 236813, 710439, 1657691, 4973073, 11130211, 21076357, 33390633, 63229071, 77911477, 147534499, 233734431, 442603497, 990588779, 2971766337, 6934121453, 20802364359]

約数ペア:

[(1, 20802364359), (3, 6934121453), (7, 2971766337), (21, 990588779), (47, 442603497), (89, 233734431), (141, 147534499), (267, 77911477), (329, 63229071), (623, 33390633), (987, 21076357), (1869, 11130211), (4183, 4973073), (12549, 1657691), (29281, 710439), (87843, 236813)]