20050947

素因数分解:

$3^2\times 7^2\times {\mathrm{19}}^1\times {\mathrm{2393}}^1$

素因数の和:2432

約数の個数: 36

約数和(自身を含む): 35479080

約数和(自身を除く): 15428133

約数列:

[1, 3, 7, 9, 19, 21, 49, 57, 63, 133, 147, 171, 399, 441, 931, 1197, 2393, 2793, 7179, 8379, 16751, 21537, 45467, 50253, 117257, 136401, 150759, 318269, 351771, 409203, 954807, 1055313, 2227883, 2864421, 6683649, 20050947]

約数ペア:

[(1, 20050947), (3, 6683649), (7, 2864421), (9, 2227883), (19, 1055313), (21, 954807), (49, 409203), (57, 351771), (63, 318269), (133, 150759), (147, 136401), (171, 117257), (399, 50253), (441, 45467), (931, 21537), (1197, 16751), (2393, 8379), (2793, 7179)]