20512506544

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{887}}^1\times {\mathrm{85021}}^1$

素因数の和:85933

約数の個数: 40

約数和(自身を含む): 42128741088

約数和(自身を除く): 21616234544

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 887, 1774, 3548, 7096, 14192, 15079, 30158, 60316, 85021, 120632, 170042, 241264, 340084, 680168, 1360336, 1445357, 2890714, 5781428, 11562856, 23125712, 75413627, 150827254, 301654508, 603309016, 1206618032, 1282031659, 2564063318, 5128126636, 10256253272, 20512506544]

約数ペア:

[(1, 20512506544), (2, 10256253272), (4, 5128126636), (8, 2564063318), (16, 1282031659), (17, 1206618032), (34, 603309016), (68, 301654508), (136, 150827254), (272, 75413627), (887, 23125712), (1774, 11562856), (3548, 5781428), (7096, 2890714), (14192, 1445357), (15079, 1360336), (30158, 680168), (60316, 340084), (85021, 241264), (120632, 170042)]