20100496420

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{59}}^1\times {\mathrm{460387}}^1$

素因数の和:460492

約数の個数: 48

約数和(自身を含む): 44086754880

約数和(自身を除く): 23986258460

約数列:

[1, 2, 4, 5, 10, 20, 37, 59, 74, 118, 148, 185, 236, 295, 370, 590, 740, 1180, 2183, 4366, 8732, 10915, 21830, 43660, 460387, 920774, 1841548, 2301935, 4603870, 9207740, 17034319, 27162833, 34068638, 54325666, 68137276, 85171595, 108651332, 135814165, 170343190, 271628330, 340686380, 543256660, 1005024821, 2010049642, 4020099284, 5025124105, 10050248210, 20100496420]

約数ペア:

[(1, 20100496420), (2, 10050248210), (4, 5025124105), (5, 4020099284), (10, 2010049642), (20, 1005024821), (37, 543256660), (59, 340686380), (74, 271628330), (118, 170343190), (148, 135814165), (185, 108651332), (236, 85171595), (295, 68137276), (370, 54325666), (590, 34068638), (740, 27162833), (1180, 17034319), (2183, 9207740), (4366, 4603870), (8732, 2301935), (10915, 1841548), (21830, 920774), (43660, 460387)]