20984148

素因数分解:

$2^2\times 3^2\times {\mathrm{31}}^1\times {\mathrm{18803}}^1$

素因数の和:18844

約数の個数: 36

約数和(自身を含む): 54757248

約数和(自身を除く): 33773100

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 31, 36, 62, 93, 124, 186, 279, 372, 558, 1116, 18803, 37606, 56409, 75212, 112818, 169227, 225636, 338454, 582893, 676908, 1165786, 1748679, 2331572, 3497358, 5246037, 6994716, 10492074, 20984148]

約数ペア:

[(1, 20984148), (2, 10492074), (3, 6994716), (4, 5246037), (6, 3497358), (9, 2331572), (12, 1748679), (18, 1165786), (31, 676908), (36, 582893), (62, 338454), (93, 225636), (124, 169227), (186, 112818), (279, 75212), (372, 56409), (558, 37606), (1116, 18803)]