20835630

素因数分解:

$2^1\times 3^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{887}}^1$

素因数の和:935

約数の個数: 80

約数和(自身を含む): 58021920

約数和(自身を除く): 37186290

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 29, 30, 45, 54, 58, 81, 87, 90, 135, 145, 162, 174, 261, 270, 290, 405, 435, 522, 783, 810, 870, 887, 1305, 1566, 1774, 2349, 2610, 2661, 3915, 4435, 4698, 5322, 7830, 7983, 8870, 11745, 13305, 15966, 23490, 23949, 25723, 26610, 39915, 47898, 51446, 71847, 77169, 79830, 119745, 128615, 143694, 154338, 231507, 239490, 257230, 359235, 385845, 463014, 694521, 718470, 771690, 1157535, 1389042, 2083563, 2315070, 3472605, 4167126, 6945210, 10417815, 20835630]

約数ペア:

[(1, 20835630), (2, 10417815), (3, 6945210), (5, 4167126), (6, 3472605), (9, 2315070), (10, 2083563), (15, 1389042), (18, 1157535), (27, 771690), (29, 718470), (30, 694521), (45, 463014), (54, 385845), (58, 359235), (81, 257230), (87, 239490), (90, 231507), (135, 154338), (145, 143694), (162, 128615), (174, 119745), (261, 79830), (270, 77169), (290, 71847), (405, 51446), (435, 47898), (522, 39915), (783, 26610), (810, 25723), (870, 23949), (887, 23490), (1305, 15966), (1566, 13305), (1774, 11745), (2349, 8870), (2610, 7983), (2661, 7830), (3915, 5322), (4435, 4698)]