20144846740

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{113}}^1\times {\mathrm{112831}}^1$

素因数の和:113032

約数の個数: 48

約数和(自身を含む): 43219169280

約数和(自身を除く): 23074322540

約数列:

[1, 2, 4, 5, 10, 20, 79, 113, 158, 226, 316, 395, 452, 565, 790, 1130, 1580, 2260, 8927, 17854, 35708, 44635, 89270, 112831, 178540, 225662, 451324, 564155, 1128310, 2256620, 8913649, 12749903, 17827298, 25499806, 35654596, 44568245, 50999612, 63749515, 89136490, 127499030, 178272980, 254998060, 1007242337, 2014484674, 4028969348, 5036211685, 10072423370, 20144846740]

約数ペア:

[(1, 20144846740), (2, 10072423370), (4, 5036211685), (5, 4028969348), (10, 2014484674), (20, 1007242337), (79, 254998060), (113, 178272980), (158, 127499030), (226, 89136490), (316, 63749515), (395, 50999612), (452, 44568245), (565, 35654596), (790, 25499806), (1130, 17827298), (1580, 12749903), (2260, 8913649), (8927, 2256620), (17854, 1128310), (35708, 564155), (44635, 451324), (89270, 225662), (112831, 178540)]