20333325

素因数分解:

$3^1\times 5^2\times {\mathrm{19}}^2\times {\mathrm{751}}^1$

素因数の和:802

約数の個数: 36

約数和(自身を含む): 35527488

約数和(自身を除く): 15194163

約数列:

[1, 3, 5, 15, 19, 25, 57, 75, 95, 285, 361, 475, 751, 1083, 1425, 1805, 2253, 3755, 5415, 9025, 11265, 14269, 18775, 27075, 42807, 56325, 71345, 214035, 271111, 356725, 813333, 1070175, 1355555, 4066665, 6777775, 20333325]

約数ペア:

[(1, 20333325), (3, 6777775), (5, 4066665), (15, 1355555), (19, 1070175), (25, 813333), (57, 356725), (75, 271111), (95, 214035), (285, 71345), (361, 56325), (475, 42807), (751, 27075), (1083, 18775), (1425, 14269), (1805, 11265), (2253, 9025), (3755, 5415)]