20264700

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{31}}^1\times {\mathrm{2179}}^1$

素因数の和:2227

約数の個数: 72

約数和(自身を含む): 60551680

約数和(自身を除く): 40286980

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 25, 30, 31, 50, 60, 62, 75, 93, 100, 124, 150, 155, 186, 300, 310, 372, 465, 620, 775, 930, 1550, 1860, 2179, 2325, 3100, 4358, 4650, 6537, 8716, 9300, 10895, 13074, 21790, 26148, 32685, 43580, 54475, 65370, 67549, 108950, 130740, 135098, 163425, 202647, 217900, 270196, 326850, 337745, 405294, 653700, 675490, 810588, 1013235, 1350980, 1688725, 2026470, 3377450, 4052940, 5066175, 6754900, 10132350, 20264700]

約数ペア:

[(1, 20264700), (2, 10132350), (3, 6754900), (4, 5066175), (5, 4052940), (6, 3377450), (10, 2026470), (12, 1688725), (15, 1350980), (20, 1013235), (25, 810588), (30, 675490), (31, 653700), (50, 405294), (60, 337745), (62, 326850), (75, 270196), (93, 217900), (100, 202647), (124, 163425), (150, 135098), (155, 130740), (186, 108950), (300, 67549), (310, 65370), (372, 54475), (465, 43580), (620, 32685), (775, 26148), (930, 21790), (1550, 13074), (1860, 10895), (2179, 9300), (2325, 8716), (3100, 6537), (4358, 4650)]