20235046160

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{503}}^1\times {\mathrm{71837}}^1$

素因数の和:72360

約数の個数: 80

約数和(自身を含む): 53875051776

約数和(自身を除く): 33640005616

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 503, 560, 1006, 2012, 2515, 3521, 4024, 5030, 7042, 8048, 10060, 14084, 17605, 20120, 28168, 35210, 40240, 56336, 70420, 71837, 140840, 143674, 281680, 287348, 359185, 502859, 574696, 718370, 1005718, 1149392, 1436740, 2011436, 2514295, 2873480, 4022872, 5028590, 5746960, 8045744, 10057180, 20114360, 36134011, 40228720, 72268022, 144536044, 180670055, 252938077, 289072088, 361340110, 505876154, 578144176, 722680220, 1011752308, 1264690385, 1445360440, 2023504616, 2529380770, 2890720880, 4047009232, 5058761540, 10117523080, 20235046160]

約数ペア:

[(1, 20235046160), (2, 10117523080), (4, 5058761540), (5, 4047009232), (7, 2890720880), (8, 2529380770), (10, 2023504616), (14, 1445360440), (16, 1264690385), (20, 1011752308), (28, 722680220), (35, 578144176), (40, 505876154), (56, 361340110), (70, 289072088), (80, 252938077), (112, 180670055), (140, 144536044), (280, 72268022), (503, 40228720), (560, 36134011), (1006, 20114360), (2012, 10057180), (2515, 8045744), (3521, 5746960), (4024, 5028590), (5030, 4022872), (7042, 2873480), (8048, 2514295), (10060, 2011436), (14084, 1436740), (17605, 1149392), (20120, 1005718), (28168, 718370), (35210, 574696), (40240, 502859), (56336, 359185), (70420, 287348), (71837, 281680), (140840, 143674)]