20645898

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{37813}}^1$

素因数の和:37838

約数の個数: 32

約数和(自身を含む): 50822016

約数和(自身を除く): 30176118

約数列:

[1, 2, 3, 6, 7, 13, 14, 21, 26, 39, 42, 78, 91, 182, 273, 546, 37813, 75626, 113439, 226878, 264691, 491569, 529382, 794073, 983138, 1474707, 1588146, 2949414, 3440983, 6881966, 10322949, 20645898]

約数ペア:

[(1, 20645898), (2, 10322949), (3, 6881966), (6, 3440983), (7, 2949414), (13, 1588146), (14, 1474707), (21, 983138), (26, 794073), (39, 529382), (42, 491569), (78, 264691), (91, 226878), (182, 113439), (273, 75626), (546, 37813)]