20207418

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{191}}^1\times {\mathrm{229}}^1$

素因数の和:443

約数の個数: 64

約数和(自身を含む): 50872320

約数和(自身を除く): 30664902

約数列:

[1, 2, 3, 6, 7, 11, 14, 21, 22, 33, 42, 66, 77, 154, 191, 229, 231, 382, 458, 462, 573, 687, 1146, 1337, 1374, 1603, 2101, 2519, 2674, 3206, 4011, 4202, 4809, 5038, 6303, 7557, 8022, 9618, 12606, 14707, 15114, 17633, 29414, 35266, 43739, 44121, 52899, 87478, 88242, 105798, 131217, 262434, 306173, 481129, 612346, 918519, 962258, 1443387, 1837038, 2886774, 3367903, 6735806, 10103709, 20207418]

約数ペア:

[(1, 20207418), (2, 10103709), (3, 6735806), (6, 3367903), (7, 2886774), (11, 1837038), (14, 1443387), (21, 962258), (22, 918519), (33, 612346), (42, 481129), (66, 306173), (77, 262434), (154, 131217), (191, 105798), (229, 88242), (231, 87478), (382, 52899), (458, 44121), (462, 43739), (573, 35266), (687, 29414), (1146, 17633), (1337, 15114), (1374, 14707), (1603, 12606), (2101, 9618), (2519, 8022), (2674, 7557), (3206, 6303), (4011, 5038), (4202, 4809)]