20145372

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{73}}^1$

素因数の和:183

約数の個数: 96

約数和(自身を含む): 53954880

約数和(自身を除く): 33809508

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 29, 39, 52, 58, 61, 73, 78, 87, 116, 122, 146, 156, 174, 183, 219, 244, 292, 348, 366, 377, 438, 732, 754, 793, 876, 949, 1131, 1508, 1586, 1769, 1898, 2117, 2262, 2379, 2847, 3172, 3538, 3796, 4234, 4453, 4524, 4758, 5307, 5694, 6351, 7076, 8468, 8906, 9516, 10614, 11388, 12702, 13359, 17812, 21228, 22997, 25404, 26718, 27521, 45994, 53436, 55042, 57889, 68991, 82563, 91988, 110084, 115778, 129137, 137982, 165126, 173667, 231556, 258274, 275964, 330252, 347334, 387411, 516548, 694668, 774822, 1549644, 1678781, 3357562, 5036343, 6715124, 10072686, 20145372]

約数ペア:

[(1, 20145372), (2, 10072686), (3, 6715124), (4, 5036343), (6, 3357562), (12, 1678781), (13, 1549644), (26, 774822), (29, 694668), (39, 516548), (52, 387411), (58, 347334), (61, 330252), (73, 275964), (78, 258274), (87, 231556), (116, 173667), (122, 165126), (146, 137982), (156, 129137), (174, 115778), (183, 110084), (219, 91988), (244, 82563), (292, 68991), (348, 57889), (366, 55042), (377, 53436), (438, 45994), (732, 27521), (754, 26718), (793, 25404), (876, 22997), (949, 21228), (1131, 17812), (1508, 13359), (1586, 12702), (1769, 11388), (1898, 10614), (2117, 9516), (2262, 8906), (2379, 8468), (2847, 7076), (3172, 6351), (3538, 5694), (3796, 5307), (4234, 4758), (4453, 4524)]