20123070678825

素因数分解:

$3^1\times 5^2\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{196850777}}^1$

素因数の和:196850866

約数の個数: 48

約数和(自身を含む): 35149674919680

約数和(自身を除く): 15026604240855

約数列:

[1, 3, 5, 15, 25, 29, 47, 75, 87, 141, 145, 235, 435, 705, 725, 1175, 1363, 2175, 3525, 4089, 6815, 20445, 34075, 102225, 196850777, 590552331, 984253885, 2952761655, 4921269425, 5708672533, 9251986519, 14763808275, 17126017599, 27755959557, 28543362665, 46259932595, 85630087995, 138779797785, 142716813325, 231299662975, 268307609051, 428150439975, 693898988925, 804922827153, 1341538045255, 4024614135765, 6707690226275, 20123070678825]

約数ペア:

[(1, 20123070678825), (3, 6707690226275), (5, 4024614135765), (15, 1341538045255), (25, 804922827153), (29, 693898988925), (47, 428150439975), (75, 268307609051), (87, 231299662975), (141, 142716813325), (145, 138779797785), (235, 85630087995), (435, 46259932595), (705, 28543362665), (725, 27755959557), (1175, 17126017599), (1363, 14763808275), (2175, 9251986519), (3525, 5708672533), (4089, 4921269425), (6815, 2952761655), (20445, 984253885), (34075, 590552331), (102225, 196850777)]