20408973620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{8575199}}^1$

素因数の和:8575232

約数の個数: 48

約数和(自身を含む): 51862809600

約数和(自身を除く): 31453835980

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 28, 34, 35, 68, 70, 85, 119, 140, 170, 238, 340, 476, 595, 1190, 2380, 8575199, 17150398, 34300796, 42875995, 60026393, 85751990, 120052786, 145778383, 171503980, 240105572, 291556766, 300131965, 583113532, 600263930, 728891915, 1020448681, 1200527860, 1457783830, 2040897362, 2915567660, 4081794724, 5102243405, 10204486810, 20408973620]

約数ペア:

[(1, 20408973620), (2, 10204486810), (4, 5102243405), (5, 4081794724), (7, 2915567660), (10, 2040897362), (14, 1457783830), (17, 1200527860), (20, 1020448681), (28, 728891915), (34, 600263930), (35, 583113532), (68, 300131965), (70, 291556766), (85, 240105572), (119, 171503980), (140, 145778383), (170, 120052786), (238, 85751990), (340, 60026393), (476, 42875995), (595, 34300796), (1190, 17150398), (2380, 8575199)]