20131471386

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{443}}^1\times {\mathrm{194203}}^1$

素因数の和:194667

約数の個数: 48

約数和(自身を含む): 47079710496

約数和(自身を除く): 26948239110

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 78, 117, 234, 443, 886, 1329, 2658, 3987, 5759, 7974, 11518, 17277, 34554, 51831, 103662, 194203, 388406, 582609, 1165218, 1747827, 2524639, 3495654, 5049278, 7573917, 15147834, 22721751, 45443502, 86031929, 172063858, 258095787, 516191574, 774287361, 1118415077, 1548574722, 2236830154, 3355245231, 6710490462, 10065735693, 20131471386]

約数ペア:

[(1, 20131471386), (2, 10065735693), (3, 6710490462), (6, 3355245231), (9, 2236830154), (13, 1548574722), (18, 1118415077), (26, 774287361), (39, 516191574), (78, 258095787), (117, 172063858), (234, 86031929), (443, 45443502), (886, 22721751), (1329, 15147834), (2658, 7573917), (3987, 5049278), (5759, 3495654), (7974, 2524639), (11518, 1747827), (17277, 1165218), (34554, 582609), (51831, 388406), (103662, 194203)]