20199395608

素因数分解:

$2^3\times 7^1\times {\mathrm{79}}^1\times {\mathrm{827}}^1\times {\mathrm{5521}}^1$

素因数の和:6440

約数の個数: 64

約数和(自身を含む): 43893273600

約数和(自身を除く): 23693877992

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 79, 158, 316, 553, 632, 827, 1106, 1654, 2212, 3308, 4424, 5521, 5789, 6616, 11042, 11578, 22084, 23156, 38647, 44168, 46312, 65333, 77294, 130666, 154588, 261332, 309176, 436159, 457331, 522664, 872318, 914662, 1744636, 1829324, 3053113, 3489272, 3658648, 4565867, 6106226, 9131734, 12212452, 18263468, 24424904, 31961069, 36526936, 63922138, 127844276, 255688552, 360703493, 721406986, 1442813972, 2524924451, 2885627944, 5049848902, 10099697804, 20199395608]

約数ペア:

[(1, 20199395608), (2, 10099697804), (4, 5049848902), (7, 2885627944), (8, 2524924451), (14, 1442813972), (28, 721406986), (56, 360703493), (79, 255688552), (158, 127844276), (316, 63922138), (553, 36526936), (632, 31961069), (827, 24424904), (1106, 18263468), (1654, 12212452), (2212, 9131734), (3308, 6106226), (4424, 4565867), (5521, 3658648), (5789, 3489272), (6616, 3053113), (11042, 1829324), (11578, 1744636), (22084, 914662), (23156, 872318), (38647, 522664), (44168, 457331), (46312, 436159), (65333, 309176), (77294, 261332), (130666, 154588)]