20049528

素因数分解:

$2^3\times 3^1\times {\mathrm{17}}^1\times {\mathrm{157}}^1\times {\mathrm{313}}^1$

素因数の和:496

約数の個数: 64

約数和(自身を含む): 53580960

約数和(自身を除く): 33531432

約数列:

[1, 2, 3, 4, 6, 8, 12, 17, 24, 34, 51, 68, 102, 136, 157, 204, 313, 314, 408, 471, 626, 628, 939, 942, 1252, 1256, 1878, 1884, 2504, 2669, 3756, 3768, 5321, 5338, 7512, 8007, 10642, 10676, 15963, 16014, 21284, 21352, 31926, 32028, 42568, 49141, 63852, 64056, 98282, 127704, 147423, 196564, 294846, 393128, 589692, 835397, 1179384, 1670794, 2506191, 3341588, 5012382, 6683176, 10024764, 20049528]

約数ペア:

[(1, 20049528), (2, 10024764), (3, 6683176), (4, 5012382), (6, 3341588), (8, 2506191), (12, 1670794), (17, 1179384), (24, 835397), (34, 589692), (51, 393128), (68, 294846), (102, 196564), (136, 147423), (157, 127704), (204, 98282), (313, 64056), (314, 63852), (408, 49141), (471, 42568), (626, 32028), (628, 31926), (939, 21352), (942, 21284), (1252, 16014), (1256, 15963), (1878, 10676), (1884, 10642), (2504, 8007), (2669, 7512), (3756, 5338), (3768, 5321)]