12202420

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{647}}^1$

素因数の和:720

約数の個数: 48

約数和(自身を含む): 27433728

約数和(自身を除く): 15231308

約数列:

[1, 2, 4, 5, 10, 20, 23, 41, 46, 82, 92, 115, 164, 205, 230, 410, 460, 647, 820, 943, 1294, 1886, 2588, 3235, 3772, 4715, 6470, 9430, 12940, 14881, 18860, 26527, 29762, 53054, 59524, 74405, 106108, 132635, 148810, 265270, 297620, 530540, 610121, 1220242, 2440484, 3050605, 6101210, 12202420]

約数ペア:

[(1, 12202420), (2, 6101210), (4, 3050605), (5, 2440484), (10, 1220242), (20, 610121), (23, 530540), (41, 297620), (46, 265270), (82, 148810), (92, 132635), (115, 106108), (164, 74405), (205, 59524), (230, 53054), (410, 29762), (460, 26527), (647, 18860), (820, 14881), (943, 12940), (1294, 9430), (1886, 6470), (2588, 4715), (3235, 3772)]