20123488060

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{509}}^1\times {\mathrm{2083}}^1$

素因数の和:2687

約数の個数: 96

約数和(自身を含む): 46246294080

約数和(自身を除く): 26122806020

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 73, 130, 146, 260, 292, 365, 509, 730, 949, 1018, 1460, 1898, 2036, 2083, 2545, 3796, 4166, 4745, 5090, 6617, 8332, 9490, 10180, 10415, 13234, 18980, 20830, 26468, 27079, 33085, 37157, 41660, 54158, 66170, 74314, 108316, 132340, 135395, 148628, 152059, 185785, 270790, 304118, 371570, 483041, 541580, 608236, 743140, 760295, 966082, 1060247, 1520590, 1932164, 1976767, 2120494, 2415205, 3041180, 3953534, 4240988, 4830410, 5301235, 7907068, 9660820, 9883835, 10602470, 13783211, 19767670, 21204940, 27566422, 39535340, 55132844, 68916055, 77398031, 137832110, 154796062, 275664220, 309592124, 386990155, 773980310, 1006174403, 1547960620, 2012348806, 4024697612, 5030872015, 10061744030, 20123488060]

約数ペア:

[(1, 20123488060), (2, 10061744030), (4, 5030872015), (5, 4024697612), (10, 2012348806), (13, 1547960620), (20, 1006174403), (26, 773980310), (52, 386990155), (65, 309592124), (73, 275664220), (130, 154796062), (146, 137832110), (260, 77398031), (292, 68916055), (365, 55132844), (509, 39535340), (730, 27566422), (949, 21204940), (1018, 19767670), (1460, 13783211), (1898, 10602470), (2036, 9883835), (2083, 9660820), (2545, 7907068), (3796, 5301235), (4166, 4830410), (4745, 4240988), (5090, 3953534), (6617, 3041180), (8332, 2415205), (9490, 2120494), (10180, 1976767), (10415, 1932164), (13234, 1520590), (18980, 1060247), (20830, 966082), (26468, 760295), (27079, 743140), (33085, 608236), (37157, 541580), (41660, 483041), (54158, 371570), (66170, 304118), (74314, 270790), (108316, 185785), (132340, 152059), (135395, 148628)]