20129402872

素因数分解:

$2^3\times {\mathrm{79}}^1\times {\mathrm{139}}^1\times {\mathrm{229139}}^1$

素因数の和:229363

約数の個数: 32

約数和(自身を含む): 38495520000

約数和(自身を除く): 18366117128

約数列:

[1, 2, 4, 8, 79, 139, 158, 278, 316, 556, 632, 1112, 10981, 21962, 43924, 87848, 229139, 458278, 916556, 1833112, 18101981, 31850321, 36203962, 63700642, 72407924, 127401284, 144815848, 254802568, 2516175359, 5032350718, 10064701436, 20129402872]

約数ペア:

[(1, 20129402872), (2, 10064701436), (4, 5032350718), (8, 2516175359), (79, 254802568), (139, 144815848), (158, 127401284), (278, 72407924), (316, 63700642), (556, 36203962), (632, 31850321), (1112, 18101981), (10981, 1833112), (21962, 916556), (43924, 458278), (87848, 229139)]