20939634

素因数分解:

$2^1\times 3^4\times {\mathrm{19}}^1\times {\mathrm{6803}}^1$

素因数の和:6836

約数の個数: 40

約数和(自身を含む): 49397040

約数和(自身を除く): 28457406

約数列:

[1, 2, 3, 6, 9, 18, 19, 27, 38, 54, 57, 81, 114, 162, 171, 342, 513, 1026, 1539, 3078, 6803, 13606, 20409, 40818, 61227, 122454, 129257, 183681, 258514, 367362, 387771, 551043, 775542, 1102086, 1163313, 2326626, 3489939, 6979878, 10469817, 20939634]

約数ペア:

[(1, 20939634), (2, 10469817), (3, 6979878), (6, 3489939), (9, 2326626), (18, 1163313), (19, 1102086), (27, 775542), (38, 551043), (54, 387771), (57, 367362), (81, 258514), (114, 183681), (162, 129257), (171, 122454), (342, 61227), (513, 40818), (1026, 20409), (1539, 13606), (3078, 6803)]