20342478

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{6361}}^1$

素因数の和:6420

約数の個数: 32

約数和(自身を含む): 44890272

約数和(自身を除く): 24547794

約数列:

[1, 2, 3, 6, 13, 26, 39, 41, 78, 82, 123, 246, 533, 1066, 1599, 3198, 6361, 12722, 19083, 38166, 82693, 165386, 248079, 260801, 496158, 521602, 782403, 1564806, 3390413, 6780826, 10171239, 20342478]

約数ペア:

[(1, 20342478), (2, 10171239), (3, 6780826), (6, 3390413), (13, 1564806), (26, 782403), (39, 521602), (41, 496158), (78, 260801), (82, 248079), (123, 165386), (246, 82693), (533, 38166), (1066, 19083), (1599, 12722), (3198, 6361)]