20970072

素因数分解:

$2^3\times 3^2\times {\mathrm{19}}^1\times {\mathrm{15329}}^1$

素因数の和:15360

約数の個数: 48

約数和(自身を含む): 59787000

約数和(自身を除く): 38816928

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 19, 24, 36, 38, 57, 72, 76, 114, 152, 171, 228, 342, 456, 684, 1368, 15329, 30658, 45987, 61316, 91974, 122632, 137961, 183948, 275922, 291251, 367896, 551844, 582502, 873753, 1103688, 1165004, 1747506, 2330008, 2621259, 3495012, 5242518, 6990024, 10485036, 20970072]

約数ペア:

[(1, 20970072), (2, 10485036), (3, 6990024), (4, 5242518), (6, 3495012), (8, 2621259), (9, 2330008), (12, 1747506), (18, 1165004), (19, 1103688), (24, 873753), (36, 582502), (38, 551844), (57, 367896), (72, 291251), (76, 275922), (114, 183948), (152, 137961), (171, 122632), (228, 91974), (342, 61316), (456, 45987), (684, 30658), (1368, 15329)]