20418804

素因数分解:

$2^2\times 3^5\times 7^1\times {\mathrm{3001}}^1$

素因数の和:3027

約数の個数: 72

約数和(自身を含む): 61192768

約数和(自身を除く): 40773964

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 54, 63, 81, 84, 108, 126, 162, 189, 243, 252, 324, 378, 486, 567, 756, 972, 1134, 1701, 2268, 3001, 3402, 6002, 6804, 9003, 12004, 18006, 21007, 27009, 36012, 42014, 54018, 63021, 81027, 84028, 108036, 126042, 162054, 189063, 243081, 252084, 324108, 378126, 486162, 567189, 729243, 756252, 972324, 1134378, 1458486, 1701567, 2268756, 2916972, 3403134, 5104701, 6806268, 10209402, 20418804]

約数ペア:

[(1, 20418804), (2, 10209402), (3, 6806268), (4, 5104701), (6, 3403134), (7, 2916972), (9, 2268756), (12, 1701567), (14, 1458486), (18, 1134378), (21, 972324), (27, 756252), (28, 729243), (36, 567189), (42, 486162), (54, 378126), (63, 324108), (81, 252084), (84, 243081), (108, 189063), (126, 162054), (162, 126042), (189, 108036), (243, 84028), (252, 81027), (324, 63021), (378, 54018), (486, 42014), (567, 36012), (756, 27009), (972, 21007), (1134, 18006), (1701, 12004), (2268, 9003), (3001, 6804), (3402, 6002)]