20690940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{67}}^1\times {\mathrm{5147}}^1$

素因数の和:5226

約数の個数: 48

約数和(自身を含む): 58810752

約数和(自身を除く): 38119812

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 67, 134, 201, 268, 335, 402, 670, 804, 1005, 1340, 2010, 4020, 5147, 10294, 15441, 20588, 25735, 30882, 51470, 61764, 77205, 102940, 154410, 308820, 344849, 689698, 1034547, 1379396, 1724245, 2069094, 3448490, 4138188, 5172735, 6896980, 10345470, 20690940]

約数ペア:

[(1, 20690940), (2, 10345470), (3, 6896980), (4, 5172735), (5, 4138188), (6, 3448490), (10, 2069094), (12, 1724245), (15, 1379396), (20, 1034547), (30, 689698), (60, 344849), (67, 308820), (134, 154410), (201, 102940), (268, 77205), (335, 61764), (402, 51470), (670, 30882), (804, 25735), (1005, 20588), (1340, 15441), (2010, 10294), (4020, 5147)]