20341548

素因数分解:

$2^2\times 3^2\times {\mathrm{59}}^1\times {\mathrm{61}}^1\times {\mathrm{157}}^1$

素因数の和:287

約数の個数: 72

約数和(自身を含む): 53486160

約数和(自身を除く): 33144612

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 59, 61, 118, 122, 157, 177, 183, 236, 244, 314, 354, 366, 471, 531, 549, 628, 708, 732, 942, 1062, 1098, 1413, 1884, 2124, 2196, 2826, 3599, 5652, 7198, 9263, 9577, 10797, 14396, 18526, 19154, 21594, 27789, 28731, 32391, 37052, 38308, 43188, 55578, 57462, 64782, 83367, 86193, 111156, 114924, 129564, 166734, 172386, 333468, 344772, 565043, 1130086, 1695129, 2260172, 3390258, 5085387, 6780516, 10170774, 20341548]

約数ペア:

[(1, 20341548), (2, 10170774), (3, 6780516), (4, 5085387), (6, 3390258), (9, 2260172), (12, 1695129), (18, 1130086), (36, 565043), (59, 344772), (61, 333468), (118, 172386), (122, 166734), (157, 129564), (177, 114924), (183, 111156), (236, 86193), (244, 83367), (314, 64782), (354, 57462), (366, 55578), (471, 43188), (531, 38308), (549, 37052), (628, 32391), (708, 28731), (732, 27789), (942, 21594), (1062, 19154), (1098, 18526), (1413, 14396), (1884, 10797), (2124, 9577), (2196, 9263), (2826, 7198), (3599, 5652)]