20045931

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{67}}^1\times {\mathrm{181}}^1$

素因数の和:299

約数の個数: 32

約数和(自身を含む): 29702400

約数和(自身を除く): 9656469

約数列:

[1, 3, 19, 29, 57, 67, 87, 181, 201, 543, 551, 1273, 1653, 1943, 3439, 3819, 5249, 5829, 10317, 12127, 15747, 36381, 36917, 99731, 110751, 230413, 299193, 351683, 691239, 1055049, 6681977, 20045931]

約数ペア:

[(1, 20045931), (3, 6681977), (19, 1055049), (29, 691239), (57, 351683), (67, 299193), (87, 230413), (181, 110751), (201, 99731), (543, 36917), (551, 36381), (1273, 15747), (1653, 12127), (1943, 10317), (3439, 5829), (3819, 5249)]