20869610

素因数分解:

$2^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{131}}^1\times {\mathrm{179}}^1$

素因数の和:406

約数の個数: 32

約数和(自身を含む): 38491200

約数和(自身を除く): 17621590

約数列:

[1, 2, 5, 10, 89, 131, 178, 179, 262, 358, 445, 655, 890, 895, 1310, 1790, 11659, 15931, 23318, 23449, 31862, 46898, 58295, 79655, 116590, 117245, 159310, 234490, 2086961, 4173922, 10434805, 20869610]

約数ペア:

[(1, 20869610), (2, 10434805), (5, 4173922), (10, 2086961), (89, 234490), (131, 159310), (178, 117245), (179, 116590), (262, 79655), (358, 58295), (445, 46898), (655, 31862), (890, 23449), (895, 23318), (1310, 15931), (1790, 11659)]