20559376

素因数分解:

$2^4\times {\mathrm{29}}^1\times {\mathrm{59}}^1\times {\mathrm{751}}^1$

素因数の和:847

約数の個数: 40

約数和(自身を含む): 41961600

約数和(自身を除く): 21402224

約数列:

[1, 2, 4, 8, 16, 29, 58, 59, 116, 118, 232, 236, 464, 472, 751, 944, 1502, 1711, 3004, 3422, 6008, 6844, 12016, 13688, 21779, 27376, 43558, 44309, 87116, 88618, 174232, 177236, 348464, 354472, 708944, 1284961, 2569922, 5139844, 10279688, 20559376]

約数ペア:

[(1, 20559376), (2, 10279688), (4, 5139844), (8, 2569922), (16, 1284961), (29, 708944), (58, 354472), (59, 348464), (116, 177236), (118, 174232), (232, 88618), (236, 87116), (464, 44309), (472, 43558), (751, 27376), (944, 21779), (1502, 13688), (1711, 12016), (3004, 6844), (3422, 6008)]