20290740

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{10909}}^1$

素因数の和:10952

約数の個数: 48

約数和(自身を含む): 58652160

約数和(自身を除く): 38361420

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 31, 60, 62, 93, 124, 155, 186, 310, 372, 465, 620, 930, 1860, 10909, 21818, 32727, 43636, 54545, 65454, 109090, 130908, 163635, 218180, 327270, 338179, 654540, 676358, 1014537, 1352716, 1690895, 2029074, 3381790, 4058148, 5072685, 6763580, 10145370, 20290740]

約数ペア:

[(1, 20290740), (2, 10145370), (3, 6763580), (4, 5072685), (5, 4058148), (6, 3381790), (10, 2029074), (12, 1690895), (15, 1352716), (20, 1014537), (30, 676358), (31, 654540), (60, 338179), (62, 327270), (93, 218180), (124, 163635), (155, 130908), (186, 109090), (310, 65454), (372, 54545), (465, 43636), (620, 32727), (930, 21818), (1860, 10909)]