20153604

素因数分解:

$2^2\times 3^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{2389}}^1$

素因数の和:2452

約数の個数: 48

約数和(自身を含む): 50859200

約数和(自身を除く): 30705596

約数列:

[1, 2, 3, 4, 6, 12, 19, 37, 38, 57, 74, 76, 111, 114, 148, 222, 228, 444, 703, 1406, 2109, 2389, 2812, 4218, 4778, 7167, 8436, 9556, 14334, 28668, 45391, 88393, 90782, 136173, 176786, 181564, 265179, 272346, 353572, 530358, 544692, 1060716, 1679467, 3358934, 5038401, 6717868, 10076802, 20153604]

約数ペア:

[(1, 20153604), (2, 10076802), (3, 6717868), (4, 5038401), (6, 3358934), (12, 1679467), (19, 1060716), (37, 544692), (38, 530358), (57, 353572), (74, 272346), (76, 265179), (111, 181564), (114, 176786), (148, 136173), (222, 90782), (228, 88393), (444, 45391), (703, 28668), (1406, 14334), (2109, 9556), (2389, 8436), (2812, 7167), (4218, 4778)]