20101700

素因数分解:

$2^2\times 5^2\times {\mathrm{179}}^1\times {\mathrm{1123}}^1$

素因数の和:1316

約数の個数: 36

約数和(自身を含む): 43903440

約数和(自身を除く): 23801740

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 179, 358, 716, 895, 1123, 1790, 2246, 3580, 4475, 4492, 5615, 8950, 11230, 17900, 22460, 28075, 56150, 112300, 201017, 402034, 804068, 1005085, 2010170, 4020340, 5025425, 10050850, 20101700]

約数ペア:

[(1, 20101700), (2, 10050850), (4, 5025425), (5, 4020340), (10, 2010170), (20, 1005085), (25, 804068), (50, 402034), (100, 201017), (179, 112300), (358, 56150), (716, 28075), (895, 22460), (1123, 17900), (1790, 11230), (2246, 8950), (3580, 5615), (4475, 4492)]