20145612

素因数分解:

$2^2\times 3^1\times {\mathrm{17}}^2\times {\mathrm{37}}^1\times {\mathrm{157}}^1$

素因数の和:235

約数の個数: 72

約数和(自身を含む): 51610384

約数和(自身を除く): 31464772

約数列:

[1, 2, 3, 4, 6, 12, 17, 34, 37, 51, 68, 74, 102, 111, 148, 157, 204, 222, 289, 314, 444, 471, 578, 628, 629, 867, 942, 1156, 1258, 1734, 1884, 1887, 2516, 2669, 3468, 3774, 5338, 5809, 7548, 8007, 10676, 10693, 11618, 16014, 17427, 21386, 23236, 32028, 32079, 34854, 42772, 45373, 64158, 69708, 90746, 98753, 128316, 136119, 181492, 197506, 272238, 296259, 395012, 544476, 592518, 1185036, 1678801, 3357602, 5036403, 6715204, 10072806, 20145612]

約数ペア:

[(1, 20145612), (2, 10072806), (3, 6715204), (4, 5036403), (6, 3357602), (12, 1678801), (17, 1185036), (34, 592518), (37, 544476), (51, 395012), (68, 296259), (74, 272238), (102, 197506), (111, 181492), (148, 136119), (157, 128316), (204, 98753), (222, 90746), (289, 69708), (314, 64158), (444, 45373), (471, 42772), (578, 34854), (628, 32079), (629, 32028), (867, 23236), (942, 21386), (1156, 17427), (1258, 16014), (1734, 11618), (1884, 10693), (1887, 10676), (2516, 8007), (2669, 7548), (3468, 5809), (3774, 5338)]