20245015

素因数分解:

$5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{397}}^1$

素因数の和:487

約数の個数: 32

約数和(自身を含む): 29343744

約数和(自身を除く): 9098729

約数列:

[1, 5, 7, 31, 35, 47, 155, 217, 235, 329, 397, 1085, 1457, 1645, 1985, 2779, 7285, 10199, 12307, 13895, 18659, 50995, 61535, 86149, 93295, 130613, 430745, 578429, 653065, 2892145, 4049003, 20245015]

約数ペア:

[(1, 20245015), (5, 4049003), (7, 2892145), (31, 653065), (35, 578429), (47, 430745), (155, 130613), (217, 93295), (235, 86149), (329, 61535), (397, 50995), (1085, 18659), (1457, 13895), (1645, 12307), (1985, 10199), (2779, 7285)]