20182989320

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{631}}^1\times {\mathrm{61511}}^1$

素因数の和:62166

約数の個数: 64

約数和(自身を含む): 48983235840

約数和(自身を除く): 28800246520

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 631, 1262, 2524, 3155, 5048, 6310, 8203, 12620, 16406, 25240, 32812, 41015, 61511, 65624, 82030, 123022, 164060, 246044, 307555, 328120, 492088, 615110, 799643, 1230220, 1599286, 2460440, 3198572, 3998215, 6397144, 7996430, 15992860, 31985720, 38813441, 77626882, 155253764, 194067205, 310507528, 388134410, 504574733, 776268820, 1009149466, 1552537640, 2018298932, 2522873665, 4036597864, 5045747330, 10091494660, 20182989320]

約数ペア:

[(1, 20182989320), (2, 10091494660), (4, 5045747330), (5, 4036597864), (8, 2522873665), (10, 2018298932), (13, 1552537640), (20, 1009149466), (26, 776268820), (40, 504574733), (52, 388134410), (65, 310507528), (104, 194067205), (130, 155253764), (260, 77626882), (520, 38813441), (631, 31985720), (1262, 15992860), (2524, 7996430), (3155, 6397144), (5048, 3998215), (6310, 3198572), (8203, 2460440), (12620, 1599286), (16406, 1230220), (25240, 799643), (32812, 615110), (41015, 492088), (61511, 328120), (65624, 307555), (82030, 246044), (123022, 164060)]