20931648

素因数分解:

$2^6\times 3^1\times {\mathrm{41}}^1\times {\mathrm{2659}}^1$

素因数の和:2715

約数の個数: 56

約数和(自身を含む): 56753760

約数和(自身を除く): 35822112

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 41, 48, 64, 82, 96, 123, 164, 192, 246, 328, 492, 656, 984, 1312, 1968, 2624, 2659, 3936, 5318, 7872, 7977, 10636, 15954, 21272, 31908, 42544, 63816, 85088, 109019, 127632, 170176, 218038, 255264, 327057, 436076, 510528, 654114, 872152, 1308228, 1744304, 2616456, 3488608, 5232912, 6977216, 10465824, 20931648]

約数ペア:

[(1, 20931648), (2, 10465824), (3, 6977216), (4, 5232912), (6, 3488608), (8, 2616456), (12, 1744304), (16, 1308228), (24, 872152), (32, 654114), (41, 510528), (48, 436076), (64, 327057), (82, 255264), (96, 218038), (123, 170176), (164, 127632), (192, 109019), (246, 85088), (328, 63816), (492, 42544), (656, 31908), (984, 21272), (1312, 15954), (1968, 10636), (2624, 7977), (2659, 7872), (3936, 5318)]