20954066

素因数分解:

$2^1\times 7^2\times {\mathrm{29}}^1\times {\mathrm{73}}^1\times {\mathrm{101}}^1$

素因数の和:219

約数の個数: 48

約数和(自身を含む): 38721240

約数和(自身を除く): 17767174

約数列:

[1, 2, 7, 14, 29, 49, 58, 73, 98, 101, 146, 202, 203, 406, 511, 707, 1022, 1414, 1421, 2117, 2842, 2929, 3577, 4234, 4949, 5858, 7154, 7373, 9898, 14746, 14819, 20503, 29638, 41006, 51611, 103222, 103733, 143521, 207466, 213817, 287042, 361277, 427634, 722554, 1496719, 2993438, 10477033, 20954066]

約数ペア:

[(1, 20954066), (2, 10477033), (7, 2993438), (14, 1496719), (29, 722554), (49, 427634), (58, 361277), (73, 287042), (98, 213817), (101, 207466), (146, 143521), (202, 103733), (203, 103222), (406, 51611), (511, 41006), (707, 29638), (1022, 20503), (1414, 14819), (1421, 14746), (2117, 9898), (2842, 7373), (2929, 7154), (3577, 5858), (4234, 4949)]