20132772020

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{1292219}}^1$

素因数の和:1292288

約数の個数: 48

約数和(自身を含む): 45589521600

約数和(自身を除く): 25456749580

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 41, 76, 82, 95, 164, 190, 205, 380, 410, 779, 820, 1558, 3116, 3895, 7790, 15580, 1292219, 2584438, 5168876, 6461095, 12922190, 24552161, 25844380, 49104322, 52980979, 98208644, 105961958, 122760805, 211923916, 245521610, 264904895, 491043220, 529809790, 1006638601, 1059619580, 2013277202, 4026554404, 5033193005, 10066386010, 20132772020]

約数ペア:

[(1, 20132772020), (2, 10066386010), (4, 5033193005), (5, 4026554404), (10, 2013277202), (19, 1059619580), (20, 1006638601), (38, 529809790), (41, 491043220), (76, 264904895), (82, 245521610), (95, 211923916), (164, 122760805), (190, 105961958), (205, 98208644), (380, 52980979), (410, 49104322), (779, 25844380), (820, 24552161), (1558, 12922190), (3116, 6461095), (3895, 5168876), (7790, 2584438), (15580, 1292219)]