20001493808

素因数分解:

$2^4\times {\mathrm{167}}^1\times {\mathrm{677}}^1\times {\mathrm{11057}}^1$

素因数の和:11909

約数の個数: 40

約数和(自身を含む): 39046063392

約数和(自身を除く): 19044569584

約数列:

[1, 2, 4, 8, 16, 167, 334, 668, 677, 1336, 1354, 2672, 2708, 5416, 10832, 11057, 22114, 44228, 88456, 113059, 176912, 226118, 452236, 904472, 1808944, 1846519, 3693038, 7386076, 7485589, 14772152, 14971178, 29544304, 29942356, 59884712, 119769424, 1250093363, 2500186726, 5000373452, 10000746904, 20001493808]

約数ペア:

[(1, 20001493808), (2, 10000746904), (4, 5000373452), (8, 2500186726), (16, 1250093363), (167, 119769424), (334, 59884712), (668, 29942356), (677, 29544304), (1336, 14971178), (1354, 14772152), (2672, 7485589), (2708, 7386076), (5416, 3693038), (10832, 1846519), (11057, 1808944), (22114, 904472), (44228, 452236), (88456, 226118), (113059, 176912)]