20347922043

素因数分解:

$3^2\times {\mathrm{37}}^2\times {\mathrm{67}}^1\times {\mathrm{157}}^2$

素因数の和:461

約数の個数: 54

約数和(自身を含む): 30854648916

約数和(自身を除く): 10506726873

約数列:

[1, 3, 9, 37, 67, 111, 157, 201, 333, 471, 603, 1369, 1413, 2479, 4107, 5809, 7437, 10519, 12321, 17427, 22311, 24649, 31557, 52281, 73947, 91723, 94671, 214933, 221841, 275169, 389203, 644799, 825507, 912013, 1167609, 1651483, 1934397, 2736039, 3502827, 4954449, 8208117, 14400511, 14863347, 33744481, 43201533, 61104871, 101233443, 129604599, 183314613, 303700329, 549943839, 2260880227, 6782640681, 20347922043]

約数ペア:

[(1, 20347922043), (3, 6782640681), (9, 2260880227), (37, 549943839), (67, 303700329), (111, 183314613), (157, 129604599), (201, 101233443), (333, 61104871), (471, 43201533), (603, 33744481), (1369, 14863347), (1413, 14400511), (2479, 8208117), (4107, 4954449), (5809, 3502827), (7437, 2736039), (10519, 1934397), (12321, 1651483), (17427, 1167609), (22311, 912013), (24649, 825507), (31557, 644799), (52281, 389203), (73947, 275169), (91723, 221841), (94671, 214933)]