20744518

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{59}}^1\times {\mathrm{107}}^1$

素因数の和:252

約数の個数: 32

約数和(自身を含む): 33592320

約数和(自身を除く): 12847802

約数列:

[1, 2, 31, 53, 59, 62, 106, 107, 118, 214, 1643, 1829, 3127, 3286, 3317, 3658, 5671, 6254, 6313, 6634, 11342, 12626, 96937, 175801, 193874, 195703, 334589, 351602, 391406, 669178, 10372259, 20744518]

約数ペア:

[(1, 20744518), (2, 10372259), (31, 669178), (53, 391406), (59, 351602), (62, 334589), (106, 195703), (107, 193874), (118, 175801), (214, 96937), (1643, 12626), (1829, 11342), (3127, 6634), (3286, 6313), (3317, 6254), (3658, 5671)]