20701389932

素因数分解:

$2^2\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{137}}^1\times {\mathrm{16693}}^1$

素因数の和:16938

約数の個数: 48

約数和(自身を含む): 38187324672

約数和(自身を除く): 17485934740

約数列:

[1, 2, 4, 31, 62, 73, 124, 137, 146, 274, 292, 548, 2263, 4247, 4526, 8494, 9052, 10001, 16693, 16988, 20002, 33386, 40004, 66772, 310031, 517483, 620062, 1034966, 1218589, 1240124, 2069932, 2286941, 2437178, 4573882, 4874356, 9147764, 37776259, 70895171, 75552518, 141790342, 151105036, 166946693, 283580684, 333893386, 667786772, 5175347483, 10350694966, 20701389932]

約数ペア:

[(1, 20701389932), (2, 10350694966), (4, 5175347483), (31, 667786772), (62, 333893386), (73, 283580684), (124, 166946693), (137, 151105036), (146, 141790342), (274, 75552518), (292, 70895171), (548, 37776259), (2263, 9147764), (4247, 4874356), (4526, 4573882), (8494, 2437178), (9052, 2286941), (10001, 2069932), (16693, 1240124), (16988, 1218589), (20002, 1034966), (33386, 620062), (40004, 517483), (66772, 310031)]