20118972

素因数分解:

$2^2\times 3^1\times {\mathrm{37}}^1\times {\mathrm{113}}^1\times {\mathrm{401}}^1$

素因数の和:558

約数の個数: 48

約数和(自身を含む): 48760992

約数和(自身を除く): 28642020

約数列:

[1, 2, 3, 4, 6, 12, 37, 74, 111, 113, 148, 222, 226, 339, 401, 444, 452, 678, 802, 1203, 1356, 1604, 2406, 4181, 4812, 8362, 12543, 14837, 16724, 25086, 29674, 44511, 45313, 50172, 59348, 89022, 90626, 135939, 178044, 181252, 271878, 543756, 1676581, 3353162, 5029743, 6706324, 10059486, 20118972]

約数ペア:

[(1, 20118972), (2, 10059486), (3, 6706324), (4, 5029743), (6, 3353162), (12, 1676581), (37, 543756), (74, 271878), (111, 181252), (113, 178044), (148, 135939), (222, 90626), (226, 89022), (339, 59348), (401, 50172), (444, 45313), (452, 44511), (678, 29674), (802, 25086), (1203, 16724), (1356, 14837), (1604, 12543), (2406, 8362), (4181, 4812)]