20121212158

素因数分解:

$2^1\times {\mathrm{29}}^1\times {\mathrm{139}}^1\times {\mathrm{181}}^1\times {\mathrm{13789}}^1$

素因数の和:14140

約数の個数: 32

約数和(自身を含む): 31623228000

約数和(自身を除く): 11502015842

約数列:

[1, 2, 29, 58, 139, 181, 278, 362, 4031, 5249, 8062, 10498, 13789, 25159, 27578, 50318, 399881, 729611, 799762, 1459222, 1916671, 2495809, 3833342, 4991618, 55583459, 72378461, 111166918, 144756922, 346917451, 693834902, 10060606079, 20121212158]

約数ペア:

[(1, 20121212158), (2, 10060606079), (29, 693834902), (58, 346917451), (139, 144756922), (181, 111166918), (278, 72378461), (362, 55583459), (4031, 4991618), (5249, 3833342), (8062, 2495809), (10498, 1916671), (13789, 1459222), (25159, 799762), (27578, 729611), (50318, 399881)]