20284560

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{9391}}^1$

素因数の和:9413

約数の個数: 80

約数和(自身を含む): 69876480

約数和(自身を除く): 49591920

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 45, 48, 54, 60, 72, 80, 90, 108, 120, 135, 144, 180, 216, 240, 270, 360, 432, 540, 720, 1080, 2160, 9391, 18782, 28173, 37564, 46955, 56346, 75128, 84519, 93910, 112692, 140865, 150256, 169038, 187820, 225384, 253557, 281730, 338076, 375640, 422595, 450768, 507114, 563460, 676152, 751280, 845190, 1014228, 1126920, 1267785, 1352304, 1690380, 2028456, 2253840, 2535570, 3380760, 4056912, 5071140, 6761520, 10142280, 20284560]

約数ペア:

[(1, 20284560), (2, 10142280), (3, 6761520), (4, 5071140), (5, 4056912), (6, 3380760), (8, 2535570), (9, 2253840), (10, 2028456), (12, 1690380), (15, 1352304), (16, 1267785), (18, 1126920), (20, 1014228), (24, 845190), (27, 751280), (30, 676152), (36, 563460), (40, 507114), (45, 450768), (48, 422595), (54, 375640), (60, 338076), (72, 281730), (80, 253557), (90, 225384), (108, 187820), (120, 169038), (135, 150256), (144, 140865), (180, 112692), (216, 93910), (240, 84519), (270, 75128), (360, 56346), (432, 46955), (540, 37564), (720, 28173), (1080, 18782), (2160, 9391)]