20181276055

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{577}}^1\times {\mathrm{9811}}^1$

素因数の和:10447

約数の個数: 32

約数和(自身を含む): 26133516288

約数和(自身を除く): 5952240233

約数列:

[1, 5, 23, 31, 115, 155, 577, 713, 2885, 3565, 9811, 13271, 17887, 49055, 66355, 89435, 225653, 304141, 411401, 1128265, 1520705, 2057005, 5660947, 6995243, 28304735, 34976215, 130201781, 175489357, 651008905, 877446785, 4036255211, 20181276055]

約数ペア:

[(1, 20181276055), (5, 4036255211), (23, 877446785), (31, 651008905), (115, 175489357), (155, 130201781), (577, 34976215), (713, 28304735), (2885, 6995243), (3565, 5660947), (9811, 2057005), (13271, 1520705), (17887, 1128265), (49055, 411401), (66355, 304141), (89435, 225653)]