20995597530

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{5425219}}^1$

素因数の和:5425275

約数の個数: 48

約数和(自身を含む): 55858065120

約数和(自身を除く): 34862467590

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 43, 45, 86, 90, 129, 215, 258, 387, 430, 645, 774, 1290, 1935, 3870, 5425219, 10850438, 16275657, 27126095, 32551314, 48826971, 54252190, 81378285, 97653942, 162756570, 233284417, 244134855, 466568834, 488269710, 699853251, 1166422085, 1399706502, 2099559753, 2332844170, 3499266255, 4199119506, 6998532510, 10497798765, 20995597530]

約数ペア:

[(1, 20995597530), (2, 10497798765), (3, 6998532510), (5, 4199119506), (6, 3499266255), (9, 2332844170), (10, 2099559753), (15, 1399706502), (18, 1166422085), (30, 699853251), (43, 488269710), (45, 466568834), (86, 244134855), (90, 233284417), (129, 162756570), (215, 97653942), (258, 81378285), (387, 54252190), (430, 48826971), (645, 32551314), (774, 27126095), (1290, 16275657), (1935, 10850438), (3870, 5425219)]