20131438838

素因数分解:

$2^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{113}}^1\times {\mathrm{142981}}^1$

素因数の和:143192

約数の個数: 32

約数和(自身を含む): 35207887680

約数和(自身を除く): 15076448842

約数列:

[1, 2, 7, 14, 89, 113, 178, 226, 623, 791, 1246, 1582, 10057, 20114, 70399, 140798, 142981, 285962, 1000867, 2001734, 12725309, 16156853, 25450618, 32313706, 89077163, 113097971, 178154326, 226195942, 1437959917, 2875919834, 10065719419, 20131438838]

約数ペア:

[(1, 20131438838), (2, 10065719419), (7, 2875919834), (14, 1437959917), (89, 226195942), (113, 178154326), (178, 113097971), (226, 89077163), (623, 32313706), (791, 25450618), (1246, 16156853), (1582, 12725309), (10057, 2001734), (20114, 1000867), (70399, 285962), (140798, 142981)]