20967984

素因数分解:

$2^4\times 3^5\times {\mathrm{5393}}^1$

素因数の和:5416

約数の個数: 60

約数和(自身を含む): 60865896

約数和(自身を除く): 39897912

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 36, 48, 54, 72, 81, 108, 144, 162, 216, 243, 324, 432, 486, 648, 972, 1296, 1944, 3888, 5393, 10786, 16179, 21572, 32358, 43144, 48537, 64716, 86288, 97074, 129432, 145611, 194148, 258864, 291222, 388296, 436833, 582444, 776592, 873666, 1164888, 1310499, 1747332, 2329776, 2620998, 3494664, 5241996, 6989328, 10483992, 20967984]

約数ペア:

[(1, 20967984), (2, 10483992), (3, 6989328), (4, 5241996), (6, 3494664), (8, 2620998), (9, 2329776), (12, 1747332), (16, 1310499), (18, 1164888), (24, 873666), (27, 776592), (36, 582444), (48, 436833), (54, 388296), (72, 291222), (81, 258864), (108, 194148), (144, 145611), (162, 129432), (216, 97074), (243, 86288), (324, 64716), (432, 48537), (486, 43144), (648, 32358), (972, 21572), (1296, 16179), (1944, 10786), (3888, 5393)]