20841804

素因数分解:

$2^2\times 3^2\times {\mathrm{37}}^1\times {\mathrm{15647}}^1$

素因数の和:15694

約数の個数: 36

約数和(自身を含む): 54110784

約数和(自身を除く): 33268980

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 37, 74, 111, 148, 222, 333, 444, 666, 1332, 15647, 31294, 46941, 62588, 93882, 140823, 187764, 281646, 563292, 578939, 1157878, 1736817, 2315756, 3473634, 5210451, 6947268, 10420902, 20841804]

約数ペア:

[(1, 20841804), (2, 10420902), (3, 6947268), (4, 5210451), (6, 3473634), (9, 2315756), (12, 1736817), (18, 1157878), (36, 578939), (37, 563292), (74, 281646), (111, 187764), (148, 140823), (222, 93882), (333, 62588), (444, 46941), (666, 31294), (1332, 15647)]