20093675

素因数分解:

$5^2\times 7^2\times {\mathrm{47}}^1\times {\mathrm{349}}^1$

素因数の和:420

約数の個数: 36

約数和(自身を含む): 29685600

約数和(自身を除く): 9591925

約数列:

[1, 5, 7, 25, 35, 47, 49, 175, 235, 245, 329, 349, 1175, 1225, 1645, 1745, 2303, 2443, 8225, 8725, 11515, 12215, 16403, 17101, 57575, 61075, 82015, 85505, 114821, 410075, 427525, 574105, 803747, 2870525, 4018735, 20093675]

約数ペア:

[(1, 20093675), (5, 4018735), (7, 2870525), (25, 803747), (35, 574105), (47, 427525), (49, 410075), (175, 114821), (235, 85505), (245, 82015), (329, 61075), (349, 57575), (1175, 17101), (1225, 16403), (1645, 12215), (1745, 11515), (2303, 8725), (2443, 8225)]