20565558808

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{383}}^1\times {\mathrm{353263}}^1$

素因数の和:353671

約数の個数: 32

約数和(自身を含む): 40696012800

約数和(自身を除く): 20130453992

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 383, 766, 1532, 3064, 7277, 14554, 29108, 58216, 353263, 706526, 1413052, 2826104, 6711997, 13423994, 26847988, 53695976, 135299729, 270599458, 541198916, 1082397832, 2570694851, 5141389702, 10282779404, 20565558808]

約数ペア:

[(1, 20565558808), (2, 10282779404), (4, 5141389702), (8, 2570694851), (19, 1082397832), (38, 541198916), (76, 270599458), (152, 135299729), (383, 53695976), (766, 26847988), (1532, 13423994), (3064, 6711997), (7277, 2826104), (14554, 1413052), (29108, 706526), (58216, 353263)]