20512474540

素因数分解:

$2^2\times 5^1\times {\mathrm{59}}^1\times {\mathrm{2927}}^1\times {\mathrm{5939}}^1$

素因数の和:8934

約数の個数: 48

約数和(自身を含む): 43828646400

約数和(自身を除く): 23316171860

約数列:

[1, 2, 4, 5, 10, 20, 59, 118, 236, 295, 590, 1180, 2927, 5854, 5939, 11708, 11878, 14635, 23756, 29270, 29695, 58540, 59390, 118780, 172693, 345386, 350401, 690772, 700802, 863465, 1401604, 1726930, 1752005, 3453860, 3504010, 7008020, 17383453, 34766906, 69533812, 86917265, 173834530, 347669060, 1025623727, 2051247454, 4102494908, 5128118635, 10256237270, 20512474540]

約数ペア:

[(1, 20512474540), (2, 10256237270), (4, 5128118635), (5, 4102494908), (10, 2051247454), (20, 1025623727), (59, 347669060), (118, 173834530), (236, 86917265), (295, 69533812), (590, 34766906), (1180, 17383453), (2927, 7008020), (5854, 3504010), (5939, 3453860), (11708, 1752005), (11878, 1726930), (14635, 1401604), (23756, 863465), (29270, 700802), (29695, 690772), (58540, 350401), (59390, 345386), (118780, 172693)]