20454966

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{67}}^1\times {\mathrm{2423}}^1$

素因数の和:2505

約数の個数: 48

約数和(自身を含む): 51427584

約数和(自身を除く): 30972618

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 67, 126, 134, 201, 402, 469, 603, 938, 1206, 1407, 2423, 2814, 4221, 4846, 7269, 8442, 14538, 16961, 21807, 33922, 43614, 50883, 101766, 152649, 162341, 305298, 324682, 487023, 974046, 1136387, 1461069, 2272774, 2922138, 3409161, 6818322, 10227483, 20454966]

約数ペア:

[(1, 20454966), (2, 10227483), (3, 6818322), (6, 3409161), (7, 2922138), (9, 2272774), (14, 1461069), (18, 1136387), (21, 974046), (42, 487023), (63, 324682), (67, 305298), (126, 162341), (134, 152649), (201, 101766), (402, 50883), (469, 43614), (603, 33922), (938, 21807), (1206, 16961), (1407, 14538), (2423, 8442), (2814, 7269), (4221, 4846)]