20016971775

素因数分解:

$3^3\times 5^2\times {\mathrm{281}}^1\times {\mathrm{105533}}^1$

素因数の和:105833

約数の個数: 48

約数和(自身を含む): 36903129120

約数和(自身を除く): 16886157345

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 135, 225, 281, 675, 843, 1405, 2529, 4215, 7025, 7587, 12645, 21075, 37935, 63225, 105533, 189675, 316599, 527665, 949797, 1582995, 2638325, 2849391, 4748985, 7914975, 14246955, 23744925, 29654773, 71234775, 88964319, 148273865, 266892957, 444821595, 741369325, 800678871, 1334464785, 2224107975, 4003394355, 6672323925, 20016971775]

約数ペア:

[(1, 20016971775), (3, 6672323925), (5, 4003394355), (9, 2224107975), (15, 1334464785), (25, 800678871), (27, 741369325), (45, 444821595), (75, 266892957), (135, 148273865), (225, 88964319), (281, 71234775), (675, 29654773), (843, 23744925), (1405, 14246955), (2529, 7914975), (4215, 4748985), (7025, 2849391), (7587, 2638325), (12645, 1582995), (21075, 949797), (37935, 527665), (63225, 316599), (105533, 189675)]