20809600

素因数分解:

$2^7\times 5^2\times 7^1\times {\mathrm{929}}^1$

素因数の和:960

約数の個数: 96

約数和(自身を含む): 58813200

約数和(自身を除く): 38003600

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 32, 35, 40, 50, 56, 64, 70, 80, 100, 112, 128, 140, 160, 175, 200, 224, 280, 320, 350, 400, 448, 560, 640, 700, 800, 896, 929, 1120, 1400, 1600, 1858, 2240, 2800, 3200, 3716, 4480, 4645, 5600, 6503, 7432, 9290, 11200, 13006, 14864, 18580, 22400, 23225, 26012, 29728, 32515, 37160, 46450, 52024, 59456, 65030, 74320, 92900, 104048, 118912, 130060, 148640, 162575, 185800, 208096, 260120, 297280, 325150, 371600, 416192, 520240, 594560, 650300, 743200, 832384, 1040480, 1300600, 1486400, 2080960, 2601200, 2972800, 4161920, 5202400, 10404800, 20809600]

約数ペア:

[(1, 20809600), (2, 10404800), (4, 5202400), (5, 4161920), (7, 2972800), (8, 2601200), (10, 2080960), (14, 1486400), (16, 1300600), (20, 1040480), (25, 832384), (28, 743200), (32, 650300), (35, 594560), (40, 520240), (50, 416192), (56, 371600), (64, 325150), (70, 297280), (80, 260120), (100, 208096), (112, 185800), (128, 162575), (140, 148640), (160, 130060), (175, 118912), (200, 104048), (224, 92900), (280, 74320), (320, 65030), (350, 59456), (400, 52024), (448, 46450), (560, 37160), (640, 32515), (700, 29728), (800, 26012), (896, 23225), (929, 22400), (1120, 18580), (1400, 14864), (1600, 13006), (1858, 11200), (2240, 9290), (2800, 7432), (3200, 6503), (3716, 5600), (4480, 4645)]