20188940880

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{1184797}}^1$

素因数の和:1184884

約数の個数: 80

約数和(自身を含む): 63467259264

約数和(自身を除く): 43278318384

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 71, 80, 120, 142, 213, 240, 284, 355, 426, 568, 710, 852, 1065, 1136, 1420, 1704, 2130, 2840, 3408, 4260, 5680, 8520, 17040, 1184797, 2369594, 3554391, 4739188, 5923985, 7108782, 9478376, 11847970, 14217564, 17771955, 18956752, 23695940, 28435128, 35543910, 47391880, 56870256, 71087820, 84120587, 94783760, 142175640, 168241174, 252361761, 284351280, 336482348, 420602935, 504723522, 672964696, 841205870, 1009447044, 1261808805, 1345929392, 1682411740, 2018894088, 2523617610, 3364823480, 4037788176, 5047235220, 6729646960, 10094470440, 20188940880]

約数ペア:

[(1, 20188940880), (2, 10094470440), (3, 6729646960), (4, 5047235220), (5, 4037788176), (6, 3364823480), (8, 2523617610), (10, 2018894088), (12, 1682411740), (15, 1345929392), (16, 1261808805), (20, 1009447044), (24, 841205870), (30, 672964696), (40, 504723522), (48, 420602935), (60, 336482348), (71, 284351280), (80, 252361761), (120, 168241174), (142, 142175640), (213, 94783760), (240, 84120587), (284, 71087820), (355, 56870256), (426, 47391880), (568, 35543910), (710, 28435128), (852, 23695940), (1065, 18956752), (1136, 17771955), (1420, 14217564), (1704, 11847970), (2130, 9478376), (2840, 7108782), (3408, 5923985), (4260, 4739188), (5680, 3554391), (8520, 2369594), (17040, 1184797)]