20080365

素因数分解:

$3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{103}}^1\times {\mathrm{317}}^1$

素因数の和:469

約数の個数: 32

約数和(自身を含む): 33336576

約数和(自身を除く): 13256211

約数列:

[1, 3, 5, 15, 41, 103, 123, 205, 309, 317, 515, 615, 951, 1545, 1585, 4223, 4755, 12669, 12997, 21115, 32651, 38991, 63345, 64985, 97953, 163255, 194955, 489765, 1338691, 4016073, 6693455, 20080365]

約数ペア:

[(1, 20080365), (3, 6693455), (5, 4016073), (15, 1338691), (41, 489765), (103, 194955), (123, 163255), (205, 97953), (309, 64985), (317, 63345), (515, 38991), (615, 32651), (951, 21115), (1545, 12997), (1585, 12669), (4223, 4755)]