20212852965

素因数分解:

$3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{113}}^1\times {\mathrm{313}}^1\times {\mathrm{1229}}^1$

素因数の和:1694

約数の個数: 64

約数和(自身を含む): 33814333440

約数和(自身を除く): 13601480475

約数列:

[1, 3, 5, 15, 31, 93, 113, 155, 313, 339, 465, 565, 939, 1229, 1565, 1695, 3503, 3687, 4695, 6145, 9703, 10509, 17515, 18435, 29109, 35369, 38099, 48515, 52545, 106107, 114297, 138877, 145545, 176845, 190495, 384677, 416631, 530535, 571485, 694385, 1096439, 1154031, 1923385, 2083155, 3289317, 4305187, 5482195, 5770155, 11924987, 12915561, 16446585, 21525935, 35774961, 43468501, 59624935, 64577805, 130405503, 178874805, 217342505, 652027515, 1347523531, 4042570593, 6737617655, 20212852965]

約数ペア:

[(1, 20212852965), (3, 6737617655), (5, 4042570593), (15, 1347523531), (31, 652027515), (93, 217342505), (113, 178874805), (155, 130405503), (313, 64577805), (339, 59624935), (465, 43468501), (565, 35774961), (939, 21525935), (1229, 16446585), (1565, 12915561), (1695, 11924987), (3503, 5770155), (3687, 5482195), (4695, 4305187), (6145, 3289317), (9703, 2083155), (10509, 1923385), (17515, 1154031), (18435, 1096439), (29109, 694385), (35369, 571485), (38099, 530535), (48515, 416631), (52545, 384677), (106107, 190495), (114297, 176845), (138877, 145545)]