20184285

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{149}}^1\times {\mathrm{821}}^1$

素因数の和:989

約数の個数: 32

約数和(自身を含む): 35510400

約数和(自身を除く): 15326115

約数列:

[1, 3, 5, 11, 15, 33, 55, 149, 165, 447, 745, 821, 1639, 2235, 2463, 4105, 4917, 8195, 9031, 12315, 24585, 27093, 45155, 122329, 135465, 366987, 611645, 1345619, 1834935, 4036857, 6728095, 20184285]

約数ペア:

[(1, 20184285), (3, 6728095), (5, 4036857), (11, 1834935), (15, 1345619), (33, 611645), (55, 366987), (149, 135465), (165, 122329), (447, 45155), (745, 27093), (821, 24585), (1639, 12315), (2235, 9031), (2463, 8195), (4105, 4917)]