20464236

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{599}}^1$

素因数の和:695

約数の個数: 72

約数和(自身を含む): 56565600

約数和(自身を除く): 36101364

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 73, 78, 117, 146, 156, 219, 234, 292, 438, 468, 599, 657, 876, 949, 1198, 1314, 1797, 1898, 2396, 2628, 2847, 3594, 3796, 5391, 5694, 7188, 7787, 8541, 10782, 11388, 15574, 17082, 21564, 23361, 31148, 34164, 43727, 46722, 70083, 87454, 93444, 131181, 140166, 174908, 262362, 280332, 393543, 524724, 568451, 787086, 1136902, 1574172, 1705353, 2273804, 3410706, 5116059, 6821412, 10232118, 20464236]

約数ペア:

[(1, 20464236), (2, 10232118), (3, 6821412), (4, 5116059), (6, 3410706), (9, 2273804), (12, 1705353), (13, 1574172), (18, 1136902), (26, 787086), (36, 568451), (39, 524724), (52, 393543), (73, 280332), (78, 262362), (117, 174908), (146, 140166), (156, 131181), (219, 93444), (234, 87454), (292, 70083), (438, 46722), (468, 43727), (599, 34164), (657, 31148), (876, 23361), (949, 21564), (1198, 17082), (1314, 15574), (1797, 11388), (1898, 10782), (2396, 8541), (2628, 7787), (2847, 7188), (3594, 5694), (3796, 5391)]