20444884

素因数分解:

$2^2\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{79}}^1\times {\mathrm{97}}^1$

素因数の和:232

約数の個数: 48

約数和(自身を含む): 39513600

約数和(自身を除く): 19068716

約数列:

[1, 2, 4, 23, 29, 46, 58, 79, 92, 97, 116, 158, 194, 316, 388, 667, 1334, 1817, 2231, 2291, 2668, 2813, 3634, 4462, 4582, 5626, 7268, 7663, 8924, 9164, 11252, 15326, 30652, 52693, 64699, 105386, 129398, 176249, 210772, 222227, 258796, 352498, 444454, 704996, 888908, 5111221, 10222442, 20444884]

約数ペア:

[(1, 20444884), (2, 10222442), (4, 5111221), (23, 888908), (29, 704996), (46, 444454), (58, 352498), (79, 258796), (92, 222227), (97, 210772), (116, 176249), (158, 129398), (194, 105386), (316, 64699), (388, 52693), (667, 30652), (1334, 15326), (1817, 11252), (2231, 9164), (2291, 8924), (2668, 7663), (2813, 7268), (3634, 5626), (4462, 4582)]