20479704

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{877}}^1$

素因数の和:1032

約数の個数: 64

約数和(自身を含む): 59001600

約数和(自身を除く): 38521896

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 84, 139, 168, 278, 417, 556, 834, 877, 973, 1112, 1668, 1754, 1946, 2631, 2919, 3336, 3508, 3892, 5262, 5838, 6139, 7016, 7784, 10524, 11676, 12278, 18417, 21048, 23352, 24556, 36834, 49112, 73668, 121903, 147336, 243806, 365709, 487612, 731418, 853321, 975224, 1462836, 1706642, 2559963, 2925672, 3413284, 5119926, 6826568, 10239852, 20479704]

約数ペア:

[(1, 20479704), (2, 10239852), (3, 6826568), (4, 5119926), (6, 3413284), (7, 2925672), (8, 2559963), (12, 1706642), (14, 1462836), (21, 975224), (24, 853321), (28, 731418), (42, 487612), (56, 365709), (84, 243806), (139, 147336), (168, 121903), (278, 73668), (417, 49112), (556, 36834), (834, 24556), (877, 23352), (973, 21048), (1112, 18417), (1668, 12278), (1754, 11676), (1946, 10524), (2631, 7784), (2919, 7016), (3336, 6139), (3508, 5838), (3892, 5262)]