20173551735

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{42901}}^1$

素因数の和:43008

約数の個数: 64

約数和(自身を含む): 35584634880

約数和(自身を除く): 15411083145

約数列:

[1, 3, 5, 15, 23, 29, 47, 69, 87, 115, 141, 145, 235, 345, 435, 667, 705, 1081, 1363, 2001, 3243, 3335, 4089, 5405, 6815, 10005, 16215, 20445, 31349, 42901, 94047, 128703, 156745, 214505, 470235, 643515, 986723, 1244129, 2016347, 2960169, 3732387, 4933615, 6049041, 6220645, 10081735, 14800845, 18661935, 28614967, 30245205, 46375981, 58474063, 85844901, 139127943, 143074835, 175422189, 231879905, 292370315, 429224505, 695639715, 877110945, 1344903449, 4034710347, 6724517245, 20173551735]

約数ペア:

[(1, 20173551735), (3, 6724517245), (5, 4034710347), (15, 1344903449), (23, 877110945), (29, 695639715), (47, 429224505), (69, 292370315), (87, 231879905), (115, 175422189), (141, 143074835), (145, 139127943), (235, 85844901), (345, 58474063), (435, 46375981), (667, 30245205), (705, 28614967), (1081, 18661935), (1363, 14800845), (2001, 10081735), (3243, 6220645), (3335, 6049041), (4089, 4933615), (5405, 3732387), (6815, 2960169), (10005, 2016347), (16215, 1244129), (20445, 986723), (31349, 643515), (42901, 470235), (94047, 214505), (128703, 156745)]