20668076

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{1571}}^1$

素因数の和:1622

約数の個数: 48

約数和(自身を含む): 44368128

約数和(自身を除く): 23700052

約数列:

[1, 2, 4, 11, 13, 22, 23, 26, 44, 46, 52, 92, 143, 253, 286, 299, 506, 572, 598, 1012, 1196, 1571, 3142, 3289, 6284, 6578, 13156, 17281, 20423, 34562, 36133, 40846, 69124, 72266, 81692, 144532, 224653, 397463, 449306, 469729, 794926, 898612, 939458, 1589852, 1878916, 5167019, 10334038, 20668076]

約数ペア:

[(1, 20668076), (2, 10334038), (4, 5167019), (11, 1878916), (13, 1589852), (22, 939458), (23, 898612), (26, 794926), (44, 469729), (46, 449306), (52, 397463), (92, 224653), (143, 144532), (253, 81692), (286, 72266), (299, 69124), (506, 40846), (572, 36133), (598, 34562), (1012, 20423), (1196, 17281), (1571, 13156), (3142, 6578), (3289, 6284)]