20132944

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{2251}}^1$

素因数の和:2315

約数の個数: 40

約数和(自身を含む): 43004192

約数和(自身を除く): 22871248

約数列:

[1, 2, 4, 8, 13, 16, 26, 43, 52, 86, 104, 172, 208, 344, 559, 688, 1118, 2236, 2251, 4472, 4502, 8944, 9004, 18008, 29263, 36016, 58526, 96793, 117052, 193586, 234104, 387172, 468208, 774344, 1258309, 1548688, 2516618, 5033236, 10066472, 20132944]

約数ペア:

[(1, 20132944), (2, 10066472), (4, 5033236), (8, 2516618), (13, 1548688), (16, 1258309), (26, 774344), (43, 468208), (52, 387172), (86, 234104), (104, 193586), (172, 117052), (208, 96793), (344, 58526), (559, 36016), (688, 29263), (1118, 18008), (2236, 9004), (2251, 8944), (4472, 4502)]