20079970

素因数分解:

$2^1\times 5^1\times {\mathrm{97}}^1\times {\mathrm{127}}^1\times {\mathrm{163}}^1$

素因数の和:394

約数の個数: 32

約数和(自身を含む): 37029888

約数和(自身を除く): 16949918

約数列:

[1, 2, 5, 10, 97, 127, 163, 194, 254, 326, 485, 635, 815, 970, 1270, 1630, 12319, 15811, 20701, 24638, 31622, 41402, 61595, 79055, 103505, 123190, 158110, 207010, 2007997, 4015994, 10039985, 20079970]

約数ペア:

[(1, 20079970), (2, 10039985), (5, 4015994), (10, 2007997), (97, 207010), (127, 158110), (163, 123190), (194, 103505), (254, 79055), (326, 61595), (485, 41402), (635, 31622), (815, 24638), (970, 20701), (1270, 15811), (1630, 12319)]