20899410

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{4327}}^1$

素因数の和:4367

約数の個数: 64

約数和(自身を含む): 59830272

約数和(自身を除く): 38930862

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 23, 30, 35, 42, 46, 69, 70, 105, 115, 138, 161, 210, 230, 322, 345, 483, 690, 805, 966, 1610, 2415, 4327, 4830, 8654, 12981, 21635, 25962, 30289, 43270, 60578, 64905, 90867, 99521, 129810, 151445, 181734, 199042, 298563, 302890, 454335, 497605, 597126, 696647, 908670, 995210, 1393294, 1492815, 2089941, 2985630, 3483235, 4179882, 6966470, 10449705, 20899410]

約数ペア:

[(1, 20899410), (2, 10449705), (3, 6966470), (5, 4179882), (6, 3483235), (7, 2985630), (10, 2089941), (14, 1492815), (15, 1393294), (21, 995210), (23, 908670), (30, 696647), (35, 597126), (42, 497605), (46, 454335), (69, 302890), (70, 298563), (105, 199042), (115, 181734), (138, 151445), (161, 129810), (210, 99521), (230, 90867), (322, 64905), (345, 60578), (483, 43270), (690, 30289), (805, 25962), (966, 21635), (1610, 12981), (2415, 8654), (4327, 4830)]