20172730870

素因数分解:

$2^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{2473}}^1\times {\mathrm{11489}}^1$

素因数の和:14040

約数の個数: 32

約数和(自身を含む): 36840432960

約数和(自身を除く): 16667702090

約数列:

[1, 2, 5, 10, 71, 142, 355, 710, 2473, 4946, 11489, 12365, 22978, 24730, 57445, 114890, 175583, 351166, 815719, 877915, 1631438, 1755830, 4078595, 8157190, 28412297, 56824594, 142061485, 284122970, 2017273087, 4034546174, 10086365435, 20172730870]

約数ペア:

[(1, 20172730870), (2, 10086365435), (5, 4034546174), (10, 2017273087), (71, 284122970), (142, 142061485), (355, 56824594), (710, 28412297), (2473, 8157190), (4946, 4078595), (11489, 1755830), (12365, 1631438), (22978, 877915), (24730, 815719), (57445, 351166), (114890, 175583)]