20573460

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{1229}}^1$

素因数の和:1278

約数の個数: 96

約数和(自身を含む): 66124800

約数和(自身を除く): 45551340

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 31, 36, 45, 54, 60, 62, 90, 93, 108, 124, 135, 155, 180, 186, 270, 279, 310, 372, 465, 540, 558, 620, 837, 930, 1116, 1229, 1395, 1674, 1860, 2458, 2790, 3348, 3687, 4185, 4916, 5580, 6145, 7374, 8370, 11061, 12290, 14748, 16740, 18435, 22122, 24580, 33183, 36870, 38099, 44244, 55305, 66366, 73740, 76198, 110610, 114297, 132732, 152396, 165915, 190495, 221220, 228594, 331830, 342891, 380990, 457188, 571485, 663660, 685782, 761980, 1028673, 1142970, 1371564, 1714455, 2057346, 2285940, 3428910, 4114692, 5143365, 6857820, 10286730, 20573460]

約数ペア:

[(1, 20573460), (2, 10286730), (3, 6857820), (4, 5143365), (5, 4114692), (6, 3428910), (9, 2285940), (10, 2057346), (12, 1714455), (15, 1371564), (18, 1142970), (20, 1028673), (27, 761980), (30, 685782), (31, 663660), (36, 571485), (45, 457188), (54, 380990), (60, 342891), (62, 331830), (90, 228594), (93, 221220), (108, 190495), (124, 165915), (135, 152396), (155, 132732), (180, 114297), (186, 110610), (270, 76198), (279, 73740), (310, 66366), (372, 55305), (465, 44244), (540, 38099), (558, 36870), (620, 33183), (837, 24580), (930, 22122), (1116, 18435), (1229, 16740), (1395, 14748), (1674, 12290), (1860, 11061), (2458, 8370), (2790, 7374), (3348, 6145), (3687, 5580), (4185, 4916)]