20702388

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{6661}}^1$

素因数の和:6712

約数の個数: 48

約数和(自身を含む): 56706944

約数和(自身を除く): 36004556

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 37, 42, 74, 84, 111, 148, 222, 259, 444, 518, 777, 1036, 1554, 3108, 6661, 13322, 19983, 26644, 39966, 46627, 79932, 93254, 139881, 186508, 246457, 279762, 492914, 559524, 739371, 985828, 1478742, 1725199, 2957484, 3450398, 5175597, 6900796, 10351194, 20702388]

約数ペア:

[(1, 20702388), (2, 10351194), (3, 6900796), (4, 5175597), (6, 3450398), (7, 2957484), (12, 1725199), (14, 1478742), (21, 985828), (28, 739371), (37, 559524), (42, 492914), (74, 279762), (84, 246457), (111, 186508), (148, 139881), (222, 93254), (259, 79932), (444, 46627), (518, 39966), (777, 26644), (1036, 19983), (1554, 13322), (3108, 6661)]