20743788

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{1291}}^1$

素因数の和:1414

約数の個数: 48

約数和(自身を含む): 52672256

約数和(自身を除く): 31928468

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 103, 156, 206, 309, 412, 618, 1236, 1291, 1339, 2582, 2678, 3873, 4017, 5164, 5356, 7746, 8034, 15492, 16068, 16783, 33566, 50349, 67132, 100698, 132973, 201396, 265946, 398919, 531892, 797838, 1595676, 1728649, 3457298, 5185947, 6914596, 10371894, 20743788]

約数ペア:

[(1, 20743788), (2, 10371894), (3, 6914596), (4, 5185947), (6, 3457298), (12, 1728649), (13, 1595676), (26, 797838), (39, 531892), (52, 398919), (78, 265946), (103, 201396), (156, 132973), (206, 100698), (309, 67132), (412, 50349), (618, 33566), (1236, 16783), (1291, 16068), (1339, 15492), (2582, 8034), (2678, 7746), (3873, 5356), (4017, 5164)]