20638512

素因数分解:

$2^4\times 3^2\times {\mathrm{331}}^1\times {\mathrm{433}}^1$

素因数の和:778

約数の個数: 60

約数和(自身を含む): 58067464

約数和(自身を除く): 37428952

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144, 331, 433, 662, 866, 993, 1299, 1324, 1732, 1986, 2598, 2648, 2979, 3464, 3897, 3972, 5196, 5296, 5958, 6928, 7794, 7944, 10392, 11916, 15588, 15888, 20784, 23832, 31176, 47664, 62352, 143323, 286646, 429969, 573292, 859938, 1146584, 1289907, 1719876, 2293168, 2579814, 3439752, 5159628, 6879504, 10319256, 20638512]

約数ペア:

[(1, 20638512), (2, 10319256), (3, 6879504), (4, 5159628), (6, 3439752), (8, 2579814), (9, 2293168), (12, 1719876), (16, 1289907), (18, 1146584), (24, 859938), (36, 573292), (48, 429969), (72, 286646), (144, 143323), (331, 62352), (433, 47664), (662, 31176), (866, 23832), (993, 20784), (1299, 15888), (1324, 15588), (1732, 11916), (1986, 10392), (2598, 7944), (2648, 7794), (2979, 6928), (3464, 5958), (3897, 5296), (3972, 5196)]