20120123124

素因数分解:

$2^2\times 3^2\times {\mathrm{59}}^1\times {\mathrm{61}}^1\times {\mathrm{155291}}^1$

素因数の和:155421

約数の個数: 72

約数和(自身を含む): 52569447840

約数和(自身を除く): 32449324716

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 59, 61, 118, 122, 177, 183, 236, 244, 354, 366, 531, 549, 708, 732, 1062, 1098, 2124, 2196, 3599, 7198, 10797, 14396, 21594, 32391, 43188, 64782, 129564, 155291, 310582, 465873, 621164, 931746, 1397619, 1863492, 2795238, 5590476, 9162169, 9472751, 18324338, 18945502, 27486507, 28418253, 36648676, 37891004, 54973014, 56836506, 82459521, 85254759, 109946028, 113673012, 164919042, 170509518, 329838084, 341019036, 558892309, 1117784618, 1676676927, 2235569236, 3353353854, 5030030781, 6706707708, 10060061562, 20120123124]

約数ペア:

[(1, 20120123124), (2, 10060061562), (3, 6706707708), (4, 5030030781), (6, 3353353854), (9, 2235569236), (12, 1676676927), (18, 1117784618), (36, 558892309), (59, 341019036), (61, 329838084), (118, 170509518), (122, 164919042), (177, 113673012), (183, 109946028), (236, 85254759), (244, 82459521), (354, 56836506), (366, 54973014), (531, 37891004), (549, 36648676), (708, 28418253), (732, 27486507), (1062, 18945502), (1098, 18324338), (2124, 9472751), (2196, 9162169), (3599, 5590476), (7198, 2795238), (10797, 1863492), (14396, 1397619), (21594, 931746), (32391, 621164), (43188, 465873), (64782, 310582), (129564, 155291)]