20121660

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{8599}}^1$

素因数の和:8627

約数の個数: 72

約数和(自身を含む): 65738400

約数和(自身を除く): 45616740

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 52, 60, 65, 78, 90, 117, 130, 156, 180, 195, 234, 260, 390, 468, 585, 780, 1170, 2340, 8599, 17198, 25797, 34396, 42995, 51594, 77391, 85990, 103188, 111787, 128985, 154782, 171980, 223574, 257970, 309564, 335361, 386955, 447148, 515940, 558935, 670722, 773910, 1006083, 1117870, 1341444, 1547820, 1676805, 2012166, 2235740, 3353610, 4024332, 5030415, 6707220, 10060830, 20121660]

約数ペア:

[(1, 20121660), (2, 10060830), (3, 6707220), (4, 5030415), (5, 4024332), (6, 3353610), (9, 2235740), (10, 2012166), (12, 1676805), (13, 1547820), (15, 1341444), (18, 1117870), (20, 1006083), (26, 773910), (30, 670722), (36, 558935), (39, 515940), (45, 447148), (52, 386955), (60, 335361), (65, 309564), (78, 257970), (90, 223574), (117, 171980), (130, 154782), (156, 128985), (180, 111787), (195, 103188), (234, 85990), (260, 77391), (390, 51594), (468, 42995), (585, 34396), (780, 25797), (1170, 17198), (2340, 8599)]