20011305

素因数分解:

$3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{179}}^1\times {\mathrm{257}}^1$

素因数の和:473

約数の個数: 32

約数和(自身を含む): 33436800

約数和(自身を除く): 13425495

約数列:

[1, 3, 5, 15, 29, 87, 145, 179, 257, 435, 537, 771, 895, 1285, 2685, 3855, 5191, 7453, 15573, 22359, 25955, 37265, 46003, 77865, 111795, 138009, 230015, 690045, 1334087, 4002261, 6670435, 20011305]

約数ペア:

[(1, 20011305), (3, 6670435), (5, 4002261), (15, 1334087), (29, 690045), (87, 230015), (145, 138009), (179, 111795), (257, 77865), (435, 46003), (537, 37265), (771, 25955), (895, 22359), (1285, 15573), (2685, 7453), (3855, 5191)]