20531826

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{29}}^1\times {\mathrm{1873}}^1$

素因数の和:1920

約数の個数: 64

約数和(自身を含む): 53971200

約数和(自身を除く): 33439374

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 29, 42, 54, 58, 63, 87, 126, 174, 189, 203, 261, 378, 406, 522, 609, 783, 1218, 1566, 1827, 1873, 3654, 3746, 5481, 5619, 10962, 11238, 13111, 16857, 26222, 33714, 39333, 50571, 54317, 78666, 101142, 108634, 117999, 162951, 235998, 325902, 353997, 380219, 488853, 707994, 760438, 977706, 1140657, 1466559, 2281314, 2933118, 3421971, 6843942, 10265913, 20531826]

約数ペア:

[(1, 20531826), (2, 10265913), (3, 6843942), (6, 3421971), (7, 2933118), (9, 2281314), (14, 1466559), (18, 1140657), (21, 977706), (27, 760438), (29, 707994), (42, 488853), (54, 380219), (58, 353997), (63, 325902), (87, 235998), (126, 162951), (174, 117999), (189, 108634), (203, 101142), (261, 78666), (378, 54317), (406, 50571), (522, 39333), (609, 33714), (783, 26222), (1218, 16857), (1566, 13111), (1827, 11238), (1873, 10962), (3654, 5619), (3746, 5481)]