20615296

素因数分解:

$2^7\times {\mathrm{13}}^2\times {\mathrm{953}}^1$

素因数の和:993

約数の個数: 48

約数和(自身を含む): 44518410

約数和(自身を除く): 23903114

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 128, 169, 208, 338, 416, 676, 832, 953, 1352, 1664, 1906, 2704, 3812, 5408, 7624, 10816, 12389, 15248, 21632, 24778, 30496, 49556, 60992, 99112, 121984, 161057, 198224, 322114, 396448, 644228, 792896, 1288456, 1585792, 2576912, 5153824, 10307648, 20615296]

約数ペア:

[(1, 20615296), (2, 10307648), (4, 5153824), (8, 2576912), (13, 1585792), (16, 1288456), (26, 792896), (32, 644228), (52, 396448), (64, 322114), (104, 198224), (128, 161057), (169, 121984), (208, 99112), (338, 60992), (416, 49556), (676, 30496), (832, 24778), (953, 21632), (1352, 15248), (1664, 12389), (1906, 10816), (2704, 7624), (3812, 5408)]