20828049102

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{37}}^1\times {\mathrm{1489207}}^1$

素因数の和:1489262

約数の個数: 64

約数和(自身を含む): 54326307840

約数和(自身を除く): 33498258738

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 37, 42, 54, 63, 74, 111, 126, 189, 222, 259, 333, 378, 518, 666, 777, 999, 1554, 1998, 2331, 4662, 6993, 13986, 1489207, 2978414, 4467621, 8935242, 10424449, 13402863, 20848898, 26805726, 31273347, 40208589, 55100659, 62546694, 80417178, 93820041, 110201318, 165301977, 187640082, 281460123, 330603954, 385704613, 495905931, 562920246, 771409226, 991811862, 1157113839, 1487717793, 2314227678, 2975435586, 3471341517, 6942683034, 10414024551, 20828049102]

約数ペア:

[(1, 20828049102), (2, 10414024551), (3, 6942683034), (6, 3471341517), (7, 2975435586), (9, 2314227678), (14, 1487717793), (18, 1157113839), (21, 991811862), (27, 771409226), (37, 562920246), (42, 495905931), (54, 385704613), (63, 330603954), (74, 281460123), (111, 187640082), (126, 165301977), (189, 110201318), (222, 93820041), (259, 80417178), (333, 62546694), (378, 55100659), (518, 40208589), (666, 31273347), (777, 26805726), (999, 20848898), (1554, 13402863), (1998, 10424449), (2331, 8935242), (4662, 4467621), (6993, 2978414), (13986, 1489207)]