20237724

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{521}}^1$

素因数の和:627

約数の個数: 72

約数和(自身を含む): 55862352

約数和(自身を除く): 35624628

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 83, 117, 156, 166, 234, 249, 332, 468, 498, 521, 747, 996, 1042, 1079, 1494, 1563, 2084, 2158, 2988, 3126, 3237, 4316, 4689, 6252, 6474, 6773, 9378, 9711, 12948, 13546, 18756, 19422, 20319, 27092, 38844, 40638, 43243, 60957, 81276, 86486, 121914, 129729, 172972, 243828, 259458, 389187, 518916, 562159, 778374, 1124318, 1556748, 1686477, 2248636, 3372954, 5059431, 6745908, 10118862, 20237724]

約数ペア:

[(1, 20237724), (2, 10118862), (3, 6745908), (4, 5059431), (6, 3372954), (9, 2248636), (12, 1686477), (13, 1556748), (18, 1124318), (26, 778374), (36, 562159), (39, 518916), (52, 389187), (78, 259458), (83, 243828), (117, 172972), (156, 129729), (166, 121914), (234, 86486), (249, 81276), (332, 60957), (468, 43243), (498, 40638), (521, 38844), (747, 27092), (996, 20319), (1042, 19422), (1079, 18756), (1494, 13546), (1563, 12948), (2084, 9711), (2158, 9378), (2988, 6773), (3126, 6474), (3237, 6252), (4316, 4689)]