20162427680

素因数分解:

$2^5\times 5^1\times {\mathrm{463}}^1\times {\mathrm{272171}}^1$

素因数の和:272649

約数の個数: 48

約数和(自身を含む): 47736791424

約数和(自身を除く): 27574363744

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 463, 926, 1852, 2315, 3704, 4630, 7408, 9260, 14816, 18520, 37040, 74080, 272171, 544342, 1088684, 1360855, 2177368, 2721710, 4354736, 5443420, 8709472, 10886840, 21773680, 43547360, 126015173, 252030346, 504060692, 630075865, 1008121384, 1260151730, 2016242768, 2520303460, 4032485536, 5040606920, 10081213840, 20162427680]

約数ペア:

[(1, 20162427680), (2, 10081213840), (4, 5040606920), (5, 4032485536), (8, 2520303460), (10, 2016242768), (16, 1260151730), (20, 1008121384), (32, 630075865), (40, 504060692), (80, 252030346), (160, 126015173), (463, 43547360), (926, 21773680), (1852, 10886840), (2315, 8709472), (3704, 5443420), (4630, 4354736), (7408, 2721710), (9260, 2177368), (14816, 1360855), (18520, 1088684), (37040, 544342), (74080, 272171)]