20734064

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{1201}}^1$

素因数の和:1305

約数の個数: 40

約数和(自身を含む): 43820112

約数和(自身を除く): 23086048

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 83, 104, 166, 208, 332, 664, 1079, 1201, 1328, 2158, 2402, 4316, 4804, 8632, 9608, 15613, 17264, 19216, 31226, 62452, 99683, 124904, 199366, 249808, 398732, 797464, 1295879, 1594928, 2591758, 5183516, 10367032, 20734064]

約数ペア:

[(1, 20734064), (2, 10367032), (4, 5183516), (8, 2591758), (13, 1594928), (16, 1295879), (26, 797464), (52, 398732), (83, 249808), (104, 199366), (166, 124904), (208, 99683), (332, 62452), (664, 31226), (1079, 19216), (1201, 17264), (1328, 15613), (2158, 9608), (2402, 8632), (4316, 4804)]