20499000

素因数分解:

$2^3\times 3^1\times 5^3\times {\mathrm{6833}}^1$

素因数の和:6857

約数の個数: 64

約数和(自身を含む): 63966240

約数和(自身を除く): 43467240

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 25, 30, 40, 50, 60, 75, 100, 120, 125, 150, 200, 250, 300, 375, 500, 600, 750, 1000, 1500, 3000, 6833, 13666, 20499, 27332, 34165, 40998, 54664, 68330, 81996, 102495, 136660, 163992, 170825, 204990, 273320, 341650, 409980, 512475, 683300, 819960, 854125, 1024950, 1366600, 1708250, 2049900, 2562375, 3416500, 4099800, 5124750, 6833000, 10249500, 20499000]

約数ペア:

[(1, 20499000), (2, 10249500), (3, 6833000), (4, 5124750), (5, 4099800), (6, 3416500), (8, 2562375), (10, 2049900), (12, 1708250), (15, 1366600), (20, 1024950), (24, 854125), (25, 819960), (30, 683300), (40, 512475), (50, 409980), (60, 341650), (75, 273320), (100, 204990), (120, 170825), (125, 163992), (150, 136660), (200, 102495), (250, 81996), (300, 68330), (375, 54664), (500, 40998), (600, 34165), (750, 27332), (1000, 20499), (1500, 13666), (3000, 6833)]