20798154

素因数分解:

$2^1\times 3^3\times {\mathrm{13}}^2\times {\mathrm{43}}^1\times {\mathrm{53}}^1$

素因数の和:133

約数の個数: 96

約数和(自身を含む): 52176960

約数和(自身を除く): 31378806

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 27, 39, 43, 53, 54, 78, 86, 106, 117, 129, 159, 169, 234, 258, 318, 338, 351, 387, 477, 507, 559, 689, 702, 774, 954, 1014, 1118, 1161, 1378, 1431, 1521, 1677, 2067, 2279, 2322, 2862, 3042, 3354, 4134, 4558, 4563, 5031, 6201, 6837, 7267, 8957, 9126, 10062, 12402, 13674, 14534, 15093, 17914, 18603, 20511, 21801, 26871, 29627, 30186, 37206, 41022, 43602, 53742, 59254, 61533, 65403, 80613, 88881, 123066, 130806, 161226, 177762, 196209, 241839, 266643, 385151, 392418, 483678, 533286, 770302, 799929, 1155453, 1599858, 2310906, 3466359, 6932718, 10399077, 20798154]

約数ペア:

[(1, 20798154), (2, 10399077), (3, 6932718), (6, 3466359), (9, 2310906), (13, 1599858), (18, 1155453), (26, 799929), (27, 770302), (39, 533286), (43, 483678), (53, 392418), (54, 385151), (78, 266643), (86, 241839), (106, 196209), (117, 177762), (129, 161226), (159, 130806), (169, 123066), (234, 88881), (258, 80613), (318, 65403), (338, 61533), (351, 59254), (387, 53742), (477, 43602), (507, 41022), (559, 37206), (689, 30186), (702, 29627), (774, 26871), (954, 21801), (1014, 20511), (1118, 18603), (1161, 17914), (1378, 15093), (1431, 14534), (1521, 13674), (1677, 12402), (2067, 10062), (2279, 9126), (2322, 8957), (2862, 7267), (3042, 6837), (3354, 6201), (4134, 5031), (4558, 4563)]