20009781858

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^2\times {\mathrm{1249}}^1\times {\mathrm{22067}}^1$

素因数の和:23343

約数の個数: 48

約数和(自身を含む): 44025660000

約数和(自身を除く): 24015878142

約数列:

[1, 2, 3, 6, 11, 22, 33, 66, 121, 242, 363, 726, 1249, 2498, 3747, 7494, 13739, 22067, 27478, 41217, 44134, 66201, 82434, 132402, 151129, 242737, 302258, 453387, 485474, 728211, 906774, 1456422, 2670107, 5340214, 8010321, 16020642, 27561683, 55123366, 82685049, 165370098, 303178513, 606357026, 909535539, 1819071078, 3334963643, 6669927286, 10004890929, 20009781858]

約数ペア:

[(1, 20009781858), (2, 10004890929), (3, 6669927286), (6, 3334963643), (11, 1819071078), (22, 909535539), (33, 606357026), (66, 303178513), (121, 165370098), (242, 82685049), (363, 55123366), (726, 27561683), (1249, 16020642), (2498, 8010321), (3747, 5340214), (7494, 2670107), (13739, 1456422), (22067, 906774), (27478, 728211), (41217, 485474), (44134, 453387), (66201, 302258), (82434, 242737), (132402, 151129)]