27393220

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{101}}^1\times {\mathrm{191}}^1$

素因数の和:372

約数の個数: 48

約数和(自身を含む): 59222016

約数和(自身を除く): 31828796

約数列:

[1, 2, 4, 5, 10, 20, 71, 101, 142, 191, 202, 284, 355, 382, 404, 505, 710, 764, 955, 1010, 1420, 1910, 2020, 3820, 7171, 13561, 14342, 19291, 27122, 28684, 35855, 38582, 54244, 67805, 71710, 77164, 96455, 135610, 143420, 192910, 271220, 385820, 1369661, 2739322, 5478644, 6848305, 13696610, 27393220]

約数ペア:

[(1, 27393220), (2, 13696610), (4, 6848305), (5, 5478644), (10, 2739322), (20, 1369661), (71, 385820), (101, 271220), (142, 192910), (191, 143420), (202, 135610), (284, 96455), (355, 77164), (382, 71710), (404, 67805), (505, 54244), (710, 38582), (764, 35855), (955, 28684), (1010, 27122), (1420, 19291), (1910, 14342), (2020, 13561), (3820, 7171)]