20687535270

素因数分解:

$2^1\times 3^5\times 5^1\times {\mathrm{8513389}}^1$

素因数の和:8513411

約数の個数: 48

約数和(自身を含む): 55779731280

約数和(自身を除く): 35092196010

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 81, 90, 135, 162, 243, 270, 405, 486, 810, 1215, 2430, 8513389, 17026778, 25540167, 42566945, 51080334, 76620501, 85133890, 127700835, 153241002, 229861503, 255401670, 383102505, 459723006, 689584509, 766205010, 1149307515, 1379169018, 2068753527, 2298615030, 3447922545, 4137507054, 6895845090, 10343767635, 20687535270]

約数ペア:

[(1, 20687535270), (2, 10343767635), (3, 6895845090), (5, 4137507054), (6, 3447922545), (9, 2298615030), (10, 2068753527), (15, 1379169018), (18, 1149307515), (27, 766205010), (30, 689584509), (45, 459723006), (54, 383102505), (81, 255401670), (90, 229861503), (135, 153241002), (162, 127700835), (243, 85133890), (270, 76620501), (405, 51080334), (486, 42566945), (810, 25540167), (1215, 17026778), (2430, 8513389)]