20051070

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{51413}}^1$

素因数の和:51436

約数の個数: 32

約数和(自身を含む): 51825312

約数和(自身を除く): 31774242

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 51413, 102826, 154239, 257065, 308478, 514130, 668369, 771195, 1336738, 1542390, 2005107, 3341845, 4010214, 6683690, 10025535, 20051070]

約数ペア:

[(1, 20051070), (2, 10025535), (3, 6683690), (5, 4010214), (6, 3341845), (10, 2005107), (13, 1542390), (15, 1336738), (26, 771195), (30, 668369), (39, 514130), (65, 308478), (78, 257065), (130, 154239), (195, 102826), (390, 51413)]