20745584775

素因数分解:

$3^2\times 5^2\times {\mathrm{173}}^1\times {\mathrm{449}}^1\times {\mathrm{1187}}^1$

素因数の和:1825

約数の個数: 72

約数和(自身を含む): 37487221200

約数和(自身を除く): 16741636425

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 173, 225, 449, 519, 865, 1187, 1347, 1557, 2245, 2595, 3561, 4041, 4325, 5935, 6735, 7785, 10683, 11225, 12975, 17805, 20205, 29675, 33675, 38925, 53415, 77677, 89025, 101025, 205351, 233031, 267075, 388385, 532963, 616053, 699093, 1026755, 1165155, 1598889, 1848159, 1941925, 2664815, 3080265, 3495465, 4796667, 5133775, 5825775, 7994445, 9240795, 13324075, 15401325, 17477325, 23983335, 39972225, 46203975, 92202599, 119916675, 276607797, 461012995, 829823391, 1383038985, 2305064975, 4149116955, 6915194925, 20745584775]

約数ペア:

[(1, 20745584775), (3, 6915194925), (5, 4149116955), (9, 2305064975), (15, 1383038985), (25, 829823391), (45, 461012995), (75, 276607797), (173, 119916675), (225, 92202599), (449, 46203975), (519, 39972225), (865, 23983335), (1187, 17477325), (1347, 15401325), (1557, 13324075), (2245, 9240795), (2595, 7994445), (3561, 5825775), (4041, 5133775), (4325, 4796667), (5935, 3495465), (6735, 3080265), (7785, 2664815), (10683, 1941925), (11225, 1848159), (12975, 1598889), (17805, 1165155), (20205, 1026755), (29675, 699093), (33675, 616053), (38925, 532963), (53415, 388385), (77677, 267075), (89025, 233031), (101025, 205351)]