20455097518

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{97}}^1\times {\mathrm{101}}^1\times {\mathrm{45389}}^1$

素因数の和:45612

約数の個数: 32

約数和(自身を含む): 32667727680

約数和(自身を除く): 12212630162

約数列:

[1, 2, 23, 46, 97, 101, 194, 202, 2231, 2323, 4462, 4646, 9797, 19594, 45389, 90778, 225331, 450662, 1043947, 2087894, 4402733, 4584289, 8805466, 9168578, 101262859, 105438647, 202525718, 210877294, 444676033, 889352066, 10227548759, 20455097518]

約数ペア:

[(1, 20455097518), (2, 10227548759), (23, 889352066), (46, 444676033), (97, 210877294), (101, 202525718), (194, 105438647), (202, 101262859), (2231, 9168578), (2323, 8805466), (4462, 4584289), (4646, 4402733), (9797, 2087894), (19594, 1043947), (45389, 450662), (90778, 225331)]