20149784775

素因数分解:

$3^5\times 5^2\times {\mathrm{47}}^1\times {\mathrm{70571}}^1$

素因数の和:70643

約数の個数: 72

約数和(自身を含む): 38224053504

約数和(自身を除く): 18074268729

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 47, 75, 81, 135, 141, 225, 235, 243, 405, 423, 675, 705, 1175, 1215, 1269, 2025, 2115, 3525, 3807, 6075, 6345, 10575, 11421, 19035, 31725, 57105, 70571, 95175, 211713, 285525, 352855, 635139, 1058565, 1764275, 1905417, 3175695, 3316837, 5292825, 5716251, 9527085, 9950511, 15878475, 16584185, 17148753, 28581255, 29851533, 47635425, 49752555, 82920925, 85743765, 89554599, 142906275, 149257665, 248762775, 268663797, 428718825, 447772995, 746288325, 805991391, 1343318985, 2238864975, 4029956955, 6716594925, 20149784775]

約数ペア:

[(1, 20149784775), (3, 6716594925), (5, 4029956955), (9, 2238864975), (15, 1343318985), (25, 805991391), (27, 746288325), (45, 447772995), (47, 428718825), (75, 268663797), (81, 248762775), (135, 149257665), (141, 142906275), (225, 89554599), (235, 85743765), (243, 82920925), (405, 49752555), (423, 47635425), (675, 29851533), (705, 28581255), (1175, 17148753), (1215, 16584185), (1269, 15878475), (2025, 9950511), (2115, 9527085), (3525, 5716251), (3807, 5292825), (6075, 3316837), (6345, 3175695), (10575, 1905417), (11421, 1764275), (19035, 1058565), (31725, 635139), (57105, 352855), (70571, 285525), (95175, 211713)]