20485088

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{2141}}^1$

素因数の和:2187

約数の個数: 48

約数和(自身を含む): 45341856

約数和(自身を除く): 24856768

約数列:

[1, 2, 4, 8, 13, 16, 23, 26, 32, 46, 52, 92, 104, 184, 208, 299, 368, 416, 598, 736, 1196, 2141, 2392, 4282, 4784, 8564, 9568, 17128, 27833, 34256, 49243, 55666, 68512, 98486, 111332, 196972, 222664, 393944, 445328, 640159, 787888, 890656, 1280318, 1575776, 2560636, 5121272, 10242544, 20485088]

約数ペア:

[(1, 20485088), (2, 10242544), (4, 5121272), (8, 2560636), (13, 1575776), (16, 1280318), (23, 890656), (26, 787888), (32, 640159), (46, 445328), (52, 393944), (92, 222664), (104, 196972), (184, 111332), (208, 98486), (299, 68512), (368, 55666), (416, 49243), (598, 34256), (736, 27833), (1196, 17128), (2141, 9568), (2392, 8564), (4282, 4784)]