20822228

素因数分解:

$2^2\times 7^1\times {\mathrm{61}}^1\times {\mathrm{73}}^1\times {\mathrm{167}}^1$

素因数の和:312

約数の個数: 48

約数和(自身を含む): 43163904

約数和(自身を除く): 22341676

約数列:

[1, 2, 4, 7, 14, 28, 61, 73, 122, 146, 167, 244, 292, 334, 427, 511, 668, 854, 1022, 1169, 1708, 2044, 2338, 4453, 4676, 8906, 10187, 12191, 17812, 20374, 24382, 31171, 40748, 48764, 62342, 71309, 85337, 124684, 142618, 170674, 285236, 341348, 743651, 1487302, 2974604, 5205557, 10411114, 20822228]

約数ペア:

[(1, 20822228), (2, 10411114), (4, 5205557), (7, 2974604), (14, 1487302), (28, 743651), (61, 341348), (73, 285236), (122, 170674), (146, 142618), (167, 124684), (244, 85337), (292, 71309), (334, 62342), (427, 48764), (511, 40748), (668, 31171), (854, 24382), (1022, 20374), (1169, 17812), (1708, 12191), (2044, 10187), (2338, 8906), (4453, 4676)]