20378713020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{503}}^1\times {\mathrm{675239}}^1$

素因数の和:675754

約数の個数: 48

約数和(自身を含む): 57173921280

約数和(自身を除く): 36795208260

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 503, 1006, 1509, 2012, 2515, 3018, 5030, 6036, 7545, 10060, 15090, 30180, 675239, 1350478, 2025717, 2700956, 3376195, 4051434, 6752390, 8102868, 10128585, 13504780, 20257170, 40514340, 339645217, 679290434, 1018935651, 1358580868, 1698226085, 2037871302, 3396452170, 4075742604, 5094678255, 6792904340, 10189356510, 20378713020]

約数ペア:

[(1, 20378713020), (2, 10189356510), (3, 6792904340), (4, 5094678255), (5, 4075742604), (6, 3396452170), (10, 2037871302), (12, 1698226085), (15, 1358580868), (20, 1018935651), (30, 679290434), (60, 339645217), (503, 40514340), (1006, 20257170), (1509, 13504780), (2012, 10128585), (2515, 8102868), (3018, 6752390), (5030, 4051434), (6036, 3376195), (7545, 2700956), (10060, 2025717), (15090, 1350478), (30180, 675239)]