20270940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{131}}^1\times {\mathrm{2579}}^1$

素因数の和:2722

約数の個数: 48

約数和(自身を含む): 57214080

約数和(自身を除く): 36943140

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 131, 262, 393, 524, 655, 786, 1310, 1572, 1965, 2579, 2620, 3930, 5158, 7737, 7860, 10316, 12895, 15474, 25790, 30948, 38685, 51580, 77370, 154740, 337849, 675698, 1013547, 1351396, 1689245, 2027094, 3378490, 4054188, 5067735, 6756980, 10135470, 20270940]

約数ペア:

[(1, 20270940), (2, 10135470), (3, 6756980), (4, 5067735), (5, 4054188), (6, 3378490), (10, 2027094), (12, 1689245), (15, 1351396), (20, 1013547), (30, 675698), (60, 337849), (131, 154740), (262, 77370), (393, 51580), (524, 38685), (655, 30948), (786, 25790), (1310, 15474), (1572, 12895), (1965, 10316), (2579, 7860), (2620, 7737), (3930, 5158)]