20479746

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{41}}^1\times {\mathrm{1699}}^1$

素因数の和:1759

約数の個数: 48

約数和(自身を含む): 48837600

約数和(自身を除く): 28357854

約数列:

[1, 2, 3, 6, 7, 14, 21, 41, 42, 49, 82, 98, 123, 147, 246, 287, 294, 574, 861, 1699, 1722, 2009, 3398, 4018, 5097, 6027, 10194, 11893, 12054, 23786, 35679, 69659, 71358, 83251, 139318, 166502, 208977, 249753, 417954, 487613, 499506, 975226, 1462839, 2925678, 3413291, 6826582, 10239873, 20479746]

約数ペア:

[(1, 20479746), (2, 10239873), (3, 6826582), (6, 3413291), (7, 2925678), (14, 1462839), (21, 975226), (41, 499506), (42, 487613), (49, 417954), (82, 249753), (98, 208977), (123, 166502), (147, 139318), (246, 83251), (287, 71358), (294, 69659), (574, 35679), (861, 23786), (1699, 12054), (1722, 11893), (2009, 10194), (3398, 6027), (4018, 5097)]