20702746880

素因数分解:

$2^8\times 5^1\times {\mathrm{17}}^1\times {\mathrm{951413}}^1$

素因数の和:951451

約数の個数: 72

約数和(自身を含む): 52506635832

約数和(自身を除く): 31803888952

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 64, 68, 80, 85, 128, 136, 160, 170, 256, 272, 320, 340, 544, 640, 680, 1088, 1280, 1360, 2176, 2720, 4352, 5440, 10880, 21760, 951413, 1902826, 3805652, 4757065, 7611304, 9514130, 15222608, 16174021, 19028260, 30445216, 32348042, 38056520, 60890432, 64696084, 76113040, 80870105, 121780864, 129392168, 152226080, 161740210, 243561728, 258784336, 304452160, 323480420, 517568672, 608904320, 646960840, 1035137344, 1217808640, 1293921680, 2070274688, 2587843360, 4140549376, 5175686720, 10351373440, 20702746880]

約数ペア:

[(1, 20702746880), (2, 10351373440), (4, 5175686720), (5, 4140549376), (8, 2587843360), (10, 2070274688), (16, 1293921680), (17, 1217808640), (20, 1035137344), (32, 646960840), (34, 608904320), (40, 517568672), (64, 323480420), (68, 304452160), (80, 258784336), (85, 243561728), (128, 161740210), (136, 152226080), (160, 129392168), (170, 121780864), (256, 80870105), (272, 76113040), (320, 64696084), (340, 60890432), (544, 38056520), (640, 32348042), (680, 30445216), (1088, 19028260), (1280, 16174021), (1360, 15222608), (2176, 9514130), (2720, 7611304), (4352, 4757065), (5440, 3805652), (10880, 1902826), (21760, 951413)]