20873346

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1\times {\mathrm{107}}^1$

素因数の和:227

約数の個数: 64

約数和(自身を含む): 47246976

約数和(自身を除く): 26373630

約数列:

[1, 2, 3, 6, 13, 26, 39, 41, 61, 78, 82, 107, 122, 123, 183, 214, 246, 321, 366, 533, 642, 793, 1066, 1391, 1586, 1599, 2379, 2501, 2782, 3198, 4173, 4387, 4758, 5002, 6527, 7503, 8346, 8774, 13054, 13161, 15006, 19581, 26322, 32513, 39162, 57031, 65026, 84851, 97539, 114062, 169702, 171093, 195078, 254553, 267607, 342186, 509106, 535214, 802821, 1605642, 3478891, 6957782, 10436673, 20873346]

約数ペア:

[(1, 20873346), (2, 10436673), (3, 6957782), (6, 3478891), (13, 1605642), (26, 802821), (39, 535214), (41, 509106), (61, 342186), (78, 267607), (82, 254553), (107, 195078), (122, 171093), (123, 169702), (183, 114062), (214, 97539), (246, 84851), (321, 65026), (366, 57031), (533, 39162), (642, 32513), (793, 26322), (1066, 19581), (1391, 15006), (1586, 13161), (1599, 13054), (2379, 8774), (2501, 8346), (2782, 7503), (3198, 6527), (4173, 5002), (4387, 4758)]