20173498720

素因数分解:

$2^5\times 5^1\times {\mathrm{23}}^1\times {\mathrm{1583}}^1\times {\mathrm{3463}}^1$

素因数の和:5084

約数の個数: 96

約数和(自身を含む): 49777846272

約数和(自身を除く): 29604347552

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 32, 40, 46, 80, 92, 115, 160, 184, 230, 368, 460, 736, 920, 1583, 1840, 3166, 3463, 3680, 6332, 6926, 7915, 12664, 13852, 15830, 17315, 25328, 27704, 31660, 34630, 36409, 50656, 55408, 63320, 69260, 72818, 79649, 110816, 126640, 138520, 145636, 159298, 182045, 253280, 277040, 291272, 318596, 364090, 398245, 554080, 582544, 637192, 728180, 796490, 1165088, 1274384, 1456360, 1592980, 2548768, 2912720, 3185960, 5481929, 5825440, 6371920, 10963858, 12743840, 21927716, 27409645, 43855432, 54819290, 87710864, 109638580, 126084367, 175421728, 219277160, 252168734, 438554320, 504337468, 630421835, 877108640, 1008674936, 1260843670, 2017349872, 2521687340, 4034699744, 5043374680, 10086749360, 20173498720]

約数ペア:

[(1, 20173498720), (2, 10086749360), (4, 5043374680), (5, 4034699744), (8, 2521687340), (10, 2017349872), (16, 1260843670), (20, 1008674936), (23, 877108640), (32, 630421835), (40, 504337468), (46, 438554320), (80, 252168734), (92, 219277160), (115, 175421728), (160, 126084367), (184, 109638580), (230, 87710864), (368, 54819290), (460, 43855432), (736, 27409645), (920, 21927716), (1583, 12743840), (1840, 10963858), (3166, 6371920), (3463, 5825440), (3680, 5481929), (6332, 3185960), (6926, 2912720), (7915, 2548768), (12664, 1592980), (13852, 1456360), (15830, 1274384), (17315, 1165088), (25328, 796490), (27704, 728180), (31660, 637192), (34630, 582544), (36409, 554080), (50656, 398245), (55408, 364090), (63320, 318596), (69260, 291272), (72818, 277040), (79649, 253280), (110816, 182045), (126640, 159298), (138520, 145636)]