20870554263

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{107}}^1\times {\mathrm{60257}}^1$

素因数の和:60463

約数の個数: 32

約数和(自身を含む): 30612992256

約数和(自身を除く): 9742437993

約数列:

[1, 3, 13, 39, 83, 107, 249, 321, 1079, 1391, 3237, 4173, 8881, 26643, 60257, 115453, 180771, 346359, 783341, 2350023, 5001331, 6447499, 15003993, 19342497, 65017303, 83817487, 195051909, 251452461, 535142417, 1605427251, 6956851421, 20870554263]

約数ペア:

[(1, 20870554263), (3, 6956851421), (13, 1605427251), (39, 535142417), (83, 251452461), (107, 195051909), (249, 83817487), (321, 65017303), (1079, 19342497), (1391, 15003993), (3237, 6447499), (4173, 5001331), (8881, 2350023), (26643, 783341), (60257, 346359), (115453, 180771)]