20044156

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{127}}^1\times {\mathrm{211}}^1$

素因数の和:370

約数の個数: 48

約数和(自身を含む): 41029632

約数和(自身を除く): 20985476

約数列:

[1, 2, 4, 11, 17, 22, 34, 44, 68, 127, 187, 211, 254, 374, 422, 508, 748, 844, 1397, 2159, 2321, 2794, 3587, 4318, 4642, 5588, 7174, 8636, 9284, 14348, 23749, 26797, 39457, 47498, 53594, 78914, 94996, 107188, 157828, 294767, 455549, 589534, 911098, 1179068, 1822196, 5011039, 10022078, 20044156]

約数ペア:

[(1, 20044156), (2, 10022078), (4, 5011039), (11, 1822196), (17, 1179068), (22, 911098), (34, 589534), (44, 455549), (68, 294767), (127, 157828), (187, 107188), (211, 94996), (254, 78914), (374, 53594), (422, 47498), (508, 39457), (748, 26797), (844, 23749), (1397, 14348), (2159, 9284), (2321, 8636), (2794, 7174), (3587, 5588), (4318, 4642)]