20177291372

素因数分解:

$2^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{1429}}^1\times {\mathrm{17389}}^1$

素因数の和:18858

約数の個数: 48

約数和(自身を含む): 41777736000

約数和(自身を除く): 21600444628

約数列:

[1, 2, 4, 7, 14, 28, 29, 58, 116, 203, 406, 812, 1429, 2858, 5716, 10003, 17389, 20006, 34778, 40012, 41441, 69556, 82882, 121723, 165764, 243446, 290087, 486892, 504281, 580174, 1008562, 1160348, 2017124, 3529967, 7059934, 14119868, 24848881, 49697762, 99395524, 173942167, 347884334, 695768668, 720617549, 1441235098, 2882470196, 5044322843, 10088645686, 20177291372]

約数ペア:

[(1, 20177291372), (2, 10088645686), (4, 5044322843), (7, 2882470196), (14, 1441235098), (28, 720617549), (29, 695768668), (58, 347884334), (116, 173942167), (203, 99395524), (406, 49697762), (812, 24848881), (1429, 14119868), (2858, 7059934), (5716, 3529967), (10003, 2017124), (17389, 1160348), (20006, 1008562), (34778, 580174), (40012, 504281), (41441, 486892), (69556, 290087), (82882, 243446), (121723, 165764)]