20025995

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1\times {\mathrm{127}}^1$

素因数の和:251

約数の個数: 32

約数和(自身を含む): 27426816

約数和(自身を除く): 7400821

約数列:

[1, 5, 11, 47, 55, 61, 127, 235, 305, 517, 635, 671, 1397, 2585, 2867, 3355, 5969, 6985, 7747, 14335, 29845, 31537, 38735, 65659, 85217, 157685, 328295, 364109, 426085, 1820545, 4005199, 20025995]

約数ペア:

[(1, 20025995), (5, 4005199), (11, 1820545), (47, 426085), (55, 364109), (61, 328295), (127, 157685), (235, 85217), (305, 65659), (517, 38735), (635, 31537), (671, 29845), (1397, 14335), (2585, 7747), (2867, 6985), (3355, 5969)]