20964270

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{23}}^2\times {\mathrm{1321}}^1$

素因数の和:1377

約数の個数: 48

約数和(自身を含む): 52636752

約数和(自身を除く): 31672482

約数列:

[1, 2, 3, 5, 6, 10, 15, 23, 30, 46, 69, 115, 138, 230, 345, 529, 690, 1058, 1321, 1587, 2642, 2645, 3174, 3963, 5290, 6605, 7926, 7935, 13210, 15870, 19815, 30383, 39630, 60766, 91149, 151915, 182298, 303830, 455745, 698809, 911490, 1397618, 2096427, 3494045, 4192854, 6988090, 10482135, 20964270]

約数ペア:

[(1, 20964270), (2, 10482135), (3, 6988090), (5, 4192854), (6, 3494045), (10, 2096427), (15, 1397618), (23, 911490), (30, 698809), (46, 455745), (69, 303830), (115, 182298), (138, 151915), (230, 91149), (345, 60766), (529, 39630), (690, 30383), (1058, 19815), (1321, 15870), (1587, 13210), (2642, 7935), (2645, 7926), (3174, 6605), (3963, 5290)]