20559538468

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{38645749}}^1$

素因数の和:38645779

約数の個数: 24

約数和(自身を含む): 43283240000

約数和(自身を除く): 22723701532

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 76, 133, 266, 532, 38645749, 77291498, 154582996, 270520243, 541040486, 734269231, 1082080972, 1468538462, 2937076924, 5139884617, 10279769234, 20559538468]

約数ペア:

[(1, 20559538468), (2, 10279769234), (4, 5139884617), (7, 2937076924), (14, 1468538462), (19, 1082080972), (28, 734269231), (38, 541040486), (76, 270520243), (133, 154582996), (266, 77291498), (532, 38645749)]