20634420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{241}}^1\times {\mathrm{1427}}^1$

素因数の和:1680

約数の個数: 48

約数和(自身を含む): 58056768

約数和(自身を除く): 37422348

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 241, 482, 723, 964, 1205, 1427, 1446, 2410, 2854, 2892, 3615, 4281, 4820, 5708, 7135, 7230, 8562, 14270, 14460, 17124, 21405, 28540, 42810, 85620, 343907, 687814, 1031721, 1375628, 1719535, 2063442, 3439070, 4126884, 5158605, 6878140, 10317210, 20634420]

約数ペア:

[(1, 20634420), (2, 10317210), (3, 6878140), (4, 5158605), (5, 4126884), (6, 3439070), (10, 2063442), (12, 1719535), (15, 1375628), (20, 1031721), (30, 687814), (60, 343907), (241, 85620), (482, 42810), (723, 28540), (964, 21405), (1205, 17124), (1427, 14460), (1446, 14270), (2410, 8562), (2854, 7230), (2892, 7135), (3615, 5708), (4281, 4820)]