20219251120

素因数分解:

$2^4\times 5^1\times {\mathrm{167}}^1\times {\mathrm{1513417}}^1$

素因数の和:1513597

約数の個数: 40

約数和(自身を含む): 47291285664

約数和(自身を除く): 27072034544

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 167, 334, 668, 835, 1336, 1670, 2672, 3340, 6680, 13360, 1513417, 3026834, 6053668, 7567085, 12107336, 15134170, 24214672, 30268340, 60536680, 121073360, 252740639, 505481278, 1010962556, 1263703195, 2021925112, 2527406390, 4043850224, 5054812780, 10109625560, 20219251120]

約数ペア:

[(1, 20219251120), (2, 10109625560), (4, 5054812780), (5, 4043850224), (8, 2527406390), (10, 2021925112), (16, 1263703195), (20, 1010962556), (40, 505481278), (80, 252740639), (167, 121073360), (334, 60536680), (668, 30268340), (835, 24214672), (1336, 15134170), (1670, 12107336), (2672, 7567085), (3340, 6053668), (6680, 3026834), (13360, 1513417)]