20216172575

素因数分解:

$5^2\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{307}}^1\times {\mathrm{1613}}^1$

素因数の和:2024

約数の個数: 48

約数和(自身を含む): 26629295616

約数和(自身を除く): 6413123041

約数列:

[1, 5, 23, 25, 71, 115, 307, 355, 575, 1535, 1613, 1633, 1775, 7061, 7675, 8065, 8165, 21797, 35305, 37099, 40325, 40825, 108985, 114523, 176525, 185495, 495191, 501331, 544925, 572615, 927475, 2475955, 2506655, 2634029, 2863075, 11389393, 12379775, 12533275, 13170145, 35158561, 56946965, 65850725, 175792805, 284734825, 808646903, 878964025, 4043234515, 20216172575]

約数ペア:

[(1, 20216172575), (5, 4043234515), (23, 878964025), (25, 808646903), (71, 284734825), (115, 175792805), (307, 65850725), (355, 56946965), (575, 35158561), (1535, 13170145), (1613, 12533275), (1633, 12379775), (1775, 11389393), (7061, 2863075), (7675, 2634029), (8065, 2506655), (8165, 2475955), (21797, 927475), (35305, 572615), (37099, 544925), (40325, 501331), (40825, 495191), (108985, 185495), (114523, 176525)]