20123612894

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{277}}^1\times {\mathrm{16267}}^1$

素因数の和:16593

約数の個数: 64

約数和(自身を含む): 39074434560

約数和(自身を除く): 18950821666

約数列:

[1, 2, 7, 11, 14, 22, 29, 58, 77, 154, 203, 277, 319, 406, 554, 638, 1939, 2233, 3047, 3878, 4466, 6094, 8033, 16066, 16267, 21329, 32534, 42658, 56231, 88363, 112462, 113869, 176726, 178937, 227738, 357874, 471743, 618541, 943486, 1237082, 1252559, 2505118, 3302201, 4505959, 5189173, 6604402, 9011918, 10378346, 31541713, 36324211, 49565549, 63083426, 72648422, 99131098, 130672811, 261345622, 346958843, 693917686, 914709677, 1437400921, 1829419354, 2874801842, 10061806447, 20123612894]

約数ペア:

[(1, 20123612894), (2, 10061806447), (7, 2874801842), (11, 1829419354), (14, 1437400921), (22, 914709677), (29, 693917686), (58, 346958843), (77, 261345622), (154, 130672811), (203, 99131098), (277, 72648422), (319, 63083426), (406, 49565549), (554, 36324211), (638, 31541713), (1939, 10378346), (2233, 9011918), (3047, 6604402), (3878, 5189173), (4466, 4505959), (6094, 3302201), (8033, 2505118), (16066, 1252559), (16267, 1237082), (21329, 943486), (32534, 618541), (42658, 471743), (56231, 357874), (88363, 227738), (112462, 178937), (113869, 176726)]