20100828

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{59}}^1\times {\mathrm{89}}^1$

素因数の和:195

約数の個数: 96

約数和(自身を含む): 54432000

約数和(自身を除く): 34331172

約数列:

[1, 2, 3, 4, 6, 11, 12, 22, 29, 33, 44, 58, 59, 66, 87, 89, 116, 118, 132, 174, 177, 178, 236, 267, 319, 348, 354, 356, 534, 638, 649, 708, 957, 979, 1068, 1276, 1298, 1711, 1914, 1947, 1958, 2581, 2596, 2937, 3422, 3828, 3894, 3916, 5133, 5162, 5251, 5874, 6844, 7743, 7788, 10266, 10324, 10502, 11748, 15486, 15753, 18821, 20532, 21004, 28391, 30972, 31506, 37642, 56463, 56782, 57761, 63012, 75284, 85173, 112926, 113564, 115522, 152279, 170346, 173283, 225852, 231044, 304558, 340692, 346566, 456837, 609116, 693132, 913674, 1675069, 1827348, 3350138, 5025207, 6700276, 10050414, 20100828]

約数ペア:

[(1, 20100828), (2, 10050414), (3, 6700276), (4, 5025207), (6, 3350138), (11, 1827348), (12, 1675069), (22, 913674), (29, 693132), (33, 609116), (44, 456837), (58, 346566), (59, 340692), (66, 304558), (87, 231044), (89, 225852), (116, 173283), (118, 170346), (132, 152279), (174, 115522), (177, 113564), (178, 112926), (236, 85173), (267, 75284), (319, 63012), (348, 57761), (354, 56782), (356, 56463), (534, 37642), (638, 31506), (649, 30972), (708, 28391), (957, 21004), (979, 20532), (1068, 18821), (1276, 15753), (1298, 15486), (1711, 11748), (1914, 10502), (1947, 10324), (1958, 10266), (2581, 7788), (2596, 7743), (2937, 6844), (3422, 5874), (3828, 5251), (3894, 5162), (3916, 5133)]