20173450545

素因数分解:

$3^5\times 5^1\times {\mathrm{19}}^1\times {\mathrm{873877}}^1$

素因数の和:873916

約数の個数: 48

約数和(自身を含む): 38170991040

約数和(自身を除く): 17997540495

約数列:

[1, 3, 5, 9, 15, 19, 27, 45, 57, 81, 95, 135, 171, 243, 285, 405, 513, 855, 1215, 1539, 2565, 4617, 7695, 23085, 873877, 2621631, 4369385, 7864893, 13108155, 16603663, 23594679, 39324465, 49810989, 70784037, 83018315, 117973395, 149432967, 212352111, 249054945, 353920185, 448298901, 747164835, 1061760555, 1344896703, 2241494505, 4034690109, 6724483515, 20173450545]

約数ペア:

[(1, 20173450545), (3, 6724483515), (5, 4034690109), (9, 2241494505), (15, 1344896703), (19, 1061760555), (27, 747164835), (45, 448298901), (57, 353920185), (81, 249054945), (95, 212352111), (135, 149432967), (171, 117973395), (243, 83018315), (285, 70784037), (405, 49810989), (513, 39324465), (855, 23594679), (1215, 16603663), (1539, 13108155), (2565, 7864893), (4617, 4369385), (7695, 2621631), (23085, 873877)]