20478474

素因数分解:

$2^1\times 3^3\times {\mathrm{601}}^1\times {\mathrm{631}}^1$

素因数の和:1243

約数の個数: 32

約数和(自身を含む): 45655680

約数和(自身を除く): 25177206

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 601, 631, 1202, 1262, 1803, 1893, 3606, 3786, 5409, 5679, 10818, 11358, 16227, 17037, 32454, 34074, 379231, 758462, 1137693, 2275386, 3413079, 6826158, 10239237, 20478474]

約数ペア:

[(1, 20478474), (2, 10239237), (3, 6826158), (6, 3413079), (9, 2275386), (18, 1137693), (27, 758462), (54, 379231), (601, 34074), (631, 32454), (1202, 17037), (1262, 16227), (1803, 11358), (1893, 10818), (3606, 5679), (3786, 5409)]