20850333

素因数分解:

$3^1\times 7^2\times {\mathrm{29}}^1\times {\mathrm{67}}^1\times {\mathrm{73}}^1$

素因数の和:186

約数の個数: 48

約数和(自身を含む): 34418880

約数和(自身を除く): 13568547

約数列:

[1, 3, 7, 21, 29, 49, 67, 73, 87, 147, 201, 203, 219, 469, 511, 609, 1407, 1421, 1533, 1943, 2117, 3283, 3577, 4263, 4891, 5829, 6351, 9849, 10731, 13601, 14673, 14819, 34237, 40803, 44457, 95207, 102711, 103733, 141839, 239659, 285621, 311199, 425517, 718977, 992873, 2978619, 6950111, 20850333]

約数ペア:

[(1, 20850333), (3, 6950111), (7, 2978619), (21, 992873), (29, 718977), (49, 425517), (67, 311199), (73, 285621), (87, 239659), (147, 141839), (201, 103733), (203, 102711), (219, 95207), (469, 44457), (511, 40803), (609, 34237), (1407, 14819), (1421, 14673), (1533, 13601), (1943, 10731), (2117, 9849), (3283, 6351), (3577, 5829), (4263, 4891)]