20023184447

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{103}}^1\times {\mathrm{137}}^1\times {\mathrm{227}}^1$

素因数の和:540

約数の個数: 64

約数和(自身を含む): 25130926080

約数和(自身を除く): 5107741633

約数列:

[1, 7, 19, 47, 103, 133, 137, 227, 329, 721, 893, 959, 1589, 1957, 2603, 4313, 4841, 6251, 6439, 10669, 13699, 14111, 18221, 23381, 30191, 31099, 33887, 45073, 74683, 91979, 98777, 122341, 163667, 202711, 217693, 268109, 444239, 590881, 643853, 663217, 856387, 1098907, 1418977, 1461653, 1876763, 3109673, 3203197, 4136167, 4642519, 7692349, 10231571, 12601123, 20879233, 22422379, 27771407, 60860743, 88207861, 146154631, 150550259, 194399849, 426025201, 1053851813, 2860454921, 20023184447]

約数ペア:

[(1, 20023184447), (7, 2860454921), (19, 1053851813), (47, 426025201), (103, 194399849), (133, 150550259), (137, 146154631), (227, 88207861), (329, 60860743), (721, 27771407), (893, 22422379), (959, 20879233), (1589, 12601123), (1957, 10231571), (2603, 7692349), (4313, 4642519), (4841, 4136167), (6251, 3203197), (6439, 3109673), (10669, 1876763), (13699, 1461653), (14111, 1418977), (18221, 1098907), (23381, 856387), (30191, 663217), (31099, 643853), (33887, 590881), (45073, 444239), (74683, 268109), (91979, 217693), (98777, 202711), (122341, 163667)]