20513056

素因数分解:

$2^5\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{593}}^1$

素因数の和:673

約数の個数: 48

約数和(自身を含む): 43110144

約数和(自身を除く): 22597088

約数列:

[1, 2, 4, 8, 16, 23, 32, 46, 47, 92, 94, 184, 188, 368, 376, 593, 736, 752, 1081, 1186, 1504, 2162, 2372, 4324, 4744, 8648, 9488, 13639, 17296, 18976, 27278, 27871, 34592, 54556, 55742, 109112, 111484, 218224, 222968, 436448, 445936, 641033, 891872, 1282066, 2564132, 5128264, 10256528, 20513056]

約数ペア:

[(1, 20513056), (2, 10256528), (4, 5128264), (8, 2564132), (16, 1282066), (23, 891872), (32, 641033), (46, 445936), (47, 436448), (92, 222968), (94, 218224), (184, 111484), (188, 109112), (368, 55742), (376, 54556), (593, 34592), (736, 27871), (752, 27278), (1081, 18976), (1186, 17296), (1504, 13639), (2162, 9488), (2372, 8648), (4324, 4744)]