20540316

素因数分解:

$2^2\times 3^1\times {\mathrm{47}}^1\times {\mathrm{79}}^1\times {\mathrm{461}}^1$

素因数の和:594

約数の個数: 48

約数和(自身を含む): 49674240

約数和(自身を除く): 29133924

約数列:

[1, 2, 3, 4, 6, 12, 47, 79, 94, 141, 158, 188, 237, 282, 316, 461, 474, 564, 922, 948, 1383, 1844, 2766, 3713, 5532, 7426, 11139, 14852, 21667, 22278, 36419, 43334, 44556, 65001, 72838, 86668, 109257, 130002, 145676, 218514, 260004, 437028, 1711693, 3423386, 5135079, 6846772, 10270158, 20540316]

約数ペア:

[(1, 20540316), (2, 10270158), (3, 6846772), (4, 5135079), (6, 3423386), (12, 1711693), (47, 437028), (79, 260004), (94, 218514), (141, 145676), (158, 130002), (188, 109257), (237, 86668), (282, 72838), (316, 65001), (461, 44556), (474, 43334), (564, 36419), (922, 22278), (948, 21667), (1383, 14852), (1844, 11139), (2766, 7426), (3713, 5532)]