20280342

素因数分解:

$2^1\times 3^1\times {\mathrm{23}}^1\times {\mathrm{179}}^1\times {\mathrm{821}}^1$

素因数の和:1028

約数の個数: 32

約数和(自身を含む): 42612480

約数和(自身を除く): 22332138

約数列:

[1, 2, 3, 6, 23, 46, 69, 138, 179, 358, 537, 821, 1074, 1642, 2463, 4117, 4926, 8234, 12351, 18883, 24702, 37766, 56649, 113298, 146959, 293918, 440877, 881754, 3380057, 6760114, 10140171, 20280342]

約数ペア:

[(1, 20280342), (2, 10140171), (3, 6760114), (6, 3380057), (23, 881754), (46, 440877), (69, 293918), (138, 146959), (179, 113298), (358, 56649), (537, 37766), (821, 24702), (1074, 18883), (1642, 12351), (2463, 8234), (4117, 4926)]