20921470

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{3797}}^1$

素因数の和:3852

約数の個数: 32

約数和(自身を含む): 41018400

約数和(自身を除く): 20096930

約数列:

[1, 2, 5, 10, 19, 29, 38, 58, 95, 145, 190, 290, 551, 1102, 2755, 3797, 5510, 7594, 18985, 37970, 72143, 110113, 144286, 220226, 360715, 550565, 721430, 1101130, 2092147, 4184294, 10460735, 20921470]

約数ペア:

[(1, 20921470), (2, 10460735), (5, 4184294), (10, 2092147), (19, 1101130), (29, 721430), (38, 550565), (58, 360715), (95, 220226), (145, 144286), (190, 110113), (290, 72143), (551, 37970), (1102, 18985), (2755, 7594), (3797, 5510)]