20476470

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{281}}^1\times {\mathrm{347}}^1$

素因数の和:645

約数の個数: 64

約数和(自身を含む): 56526336

約数和(自身を除く): 36049866

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 210, 281, 347, 562, 694, 843, 1041, 1405, 1686, 1735, 1967, 2082, 2429, 2810, 3470, 3934, 4215, 4858, 5205, 5901, 7287, 8430, 9835, 10410, 11802, 12145, 14574, 19670, 24290, 29505, 36435, 59010, 72870, 97507, 195014, 292521, 487535, 585042, 682549, 975070, 1365098, 1462605, 2047647, 2925210, 3412745, 4095294, 6825490, 10238235, 20476470]

約数ペア:

[(1, 20476470), (2, 10238235), (3, 6825490), (5, 4095294), (6, 3412745), (7, 2925210), (10, 2047647), (14, 1462605), (15, 1365098), (21, 975070), (30, 682549), (35, 585042), (42, 487535), (70, 292521), (105, 195014), (210, 97507), (281, 72870), (347, 59010), (562, 36435), (694, 29505), (843, 24290), (1041, 19670), (1405, 14574), (1686, 12145), (1735, 11802), (1967, 10410), (2082, 9835), (2429, 8430), (2810, 7287), (3470, 5901), (3934, 5205), (4215, 4858)]