20638224

素因数分解:

$2^4\times 3^2\times {\mathrm{251}}^1\times {\mathrm{571}}^1$

素因数の和:836

約数の個数: 60

約数和(自身を含む): 58090032

約数和(自身を除く): 37451808

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144, 251, 502, 571, 753, 1004, 1142, 1506, 1713, 2008, 2259, 2284, 3012, 3426, 4016, 4518, 4568, 5139, 6024, 6852, 9036, 9136, 10278, 12048, 13704, 18072, 20556, 27408, 36144, 41112, 82224, 143321, 286642, 429963, 573284, 859926, 1146568, 1289889, 1719852, 2293136, 2579778, 3439704, 5159556, 6879408, 10319112, 20638224]

約数ペア:

[(1, 20638224), (2, 10319112), (3, 6879408), (4, 5159556), (6, 3439704), (8, 2579778), (9, 2293136), (12, 1719852), (16, 1289889), (18, 1146568), (24, 859926), (36, 573284), (48, 429963), (72, 286642), (144, 143321), (251, 82224), (502, 41112), (571, 36144), (753, 27408), (1004, 20556), (1142, 18072), (1506, 13704), (1713, 12048), (2008, 10278), (2259, 9136), (2284, 9036), (3012, 6852), (3426, 6024), (4016, 5139), (4518, 4568)]