11201920

素因数分解:

$2^7\times 5^1\times {\mathrm{23}}^1\times {\mathrm{761}}^1$

素因数の和:803

約数の個数: 64

約数和(自身を含む): 27980640

約数和(自身を除く): 16778720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 32, 40, 46, 64, 80, 92, 115, 128, 160, 184, 230, 320, 368, 460, 640, 736, 761, 920, 1472, 1522, 1840, 2944, 3044, 3680, 3805, 6088, 7360, 7610, 12176, 14720, 15220, 17503, 24352, 30440, 35006, 48704, 60880, 70012, 87515, 97408, 121760, 140024, 175030, 243520, 280048, 350060, 487040, 560096, 700120, 1120192, 1400240, 2240384, 2800480, 5600960, 11201920]

約数ペア:

[(1, 11201920), (2, 5600960), (4, 2800480), (5, 2240384), (8, 1400240), (10, 1120192), (16, 700120), (20, 560096), (23, 487040), (32, 350060), (40, 280048), (46, 243520), (64, 175030), (80, 140024), (92, 121760), (115, 97408), (128, 87515), (160, 70012), (184, 60880), (230, 48704), (320, 35006), (368, 30440), (460, 24352), (640, 17503), (736, 15220), (761, 14720), (920, 12176), (1472, 7610), (1522, 7360), (1840, 6088), (2944, 3805), (3044, 3680)]