20453721651

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{331}}^1\times {\mathrm{7901}}^1$

素因数の和:8328

約数の個数: 48

約数和(自身を含む): 32740830720

約数和(自身を除く): 12287109069

約数列:

[1, 3, 9, 11, 33, 79, 99, 237, 331, 711, 869, 993, 2607, 2979, 3641, 7821, 7901, 10923, 23703, 26149, 32769, 71109, 78447, 86911, 235341, 260733, 287639, 624179, 782199, 862917, 1872537, 2588751, 2615231, 5617611, 6865969, 7845693, 20597907, 23537079, 28767541, 61793721, 86302623, 206603249, 258907869, 619809747, 1859429241, 2272635739, 6817907217, 20453721651]

約数ペア:

[(1, 20453721651), (3, 6817907217), (9, 2272635739), (11, 1859429241), (33, 619809747), (79, 258907869), (99, 206603249), (237, 86302623), (331, 61793721), (711, 28767541), (869, 23537079), (993, 20597907), (2607, 7845693), (2979, 6865969), (3641, 5617611), (7821, 2615231), (7901, 2588751), (10923, 1872537), (23703, 862917), (26149, 782199), (32769, 624179), (71109, 287639), (78447, 260733), (86911, 235341)]