20918064

素因数分解:

$2^4\times 3^1\times {\mathrm{103}}^1\times {\mathrm{4231}}^1$

素因数の和:4345

約数の個数: 40

約数和(自身を含む): 54575872

約数和(自身を除く): 33657808

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 103, 206, 309, 412, 618, 824, 1236, 1648, 2472, 4231, 4944, 8462, 12693, 16924, 25386, 33848, 50772, 67696, 101544, 203088, 435793, 871586, 1307379, 1743172, 2614758, 3486344, 5229516, 6972688, 10459032, 20918064]

約数ペア:

[(1, 20918064), (2, 10459032), (3, 6972688), (4, 5229516), (6, 3486344), (8, 2614758), (12, 1743172), (16, 1307379), (24, 871586), (48, 435793), (103, 203088), (206, 101544), (309, 67696), (412, 50772), (618, 33848), (824, 25386), (1236, 16924), (1648, 12693), (2472, 8462), (4231, 4944)]