20430364

素因数分解:

$2^2\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{73}}^1$

素因数の和:206

約数の個数: 48

約数和(自身を含む): 39053056

約数和(自身を除く): 18622692

約数列:

[1, 2, 4, 31, 37, 61, 62, 73, 74, 122, 124, 146, 148, 244, 292, 1147, 1891, 2257, 2263, 2294, 2701, 3782, 4453, 4514, 4526, 4588, 5402, 7564, 8906, 9028, 9052, 10804, 17812, 69967, 83731, 138043, 139934, 164761, 167462, 276086, 279868, 329522, 334924, 552172, 659044, 5107591, 10215182, 20430364]

約数ペア:

[(1, 20430364), (2, 10215182), (4, 5107591), (31, 659044), (37, 552172), (61, 334924), (62, 329522), (73, 279868), (74, 276086), (122, 167462), (124, 164761), (146, 139934), (148, 138043), (244, 83731), (292, 69967), (1147, 17812), (1891, 10804), (2257, 9052), (2263, 9028), (2294, 8906), (2701, 7564), (3782, 5402), (4453, 4588), (4514, 4526)]