20096475

素因数分解:

$3^1\times 5^2\times 7^1\times {\mathrm{101}}^1\times {\mathrm{379}}^1$

素因数の和:500

約数の個数: 48

約数和(自身を含む): 38449920

約数和(自身を除く): 18353445

約数列:

[1, 3, 5, 7, 15, 21, 25, 35, 75, 101, 105, 175, 303, 379, 505, 525, 707, 1137, 1515, 1895, 2121, 2525, 2653, 3535, 5685, 7575, 7959, 9475, 10605, 13265, 17675, 28425, 38279, 39795, 53025, 66325, 114837, 191395, 198975, 267953, 574185, 803859, 956975, 1339765, 2870925, 4019295, 6698825, 20096475]

約数ペア:

[(1, 20096475), (3, 6698825), (5, 4019295), (7, 2870925), (15, 1339765), (21, 956975), (25, 803859), (35, 574185), (75, 267953), (101, 198975), (105, 191395), (175, 114837), (303, 66325), (379, 53025), (505, 39795), (525, 38279), (707, 28425), (1137, 17675), (1515, 13265), (1895, 10605), (2121, 9475), (2525, 7959), (2653, 7575), (3535, 5685)]