20908170

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{12227}}^1$

素因数の和:12259

約数の個数: 48

約数和(自身を含む): 57227040

約数和(自身を除く): 36318870

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 19, 30, 38, 45, 57, 90, 95, 114, 171, 190, 285, 342, 570, 855, 1710, 12227, 24454, 36681, 61135, 73362, 110043, 122270, 183405, 220086, 232313, 366810, 464626, 550215, 696939, 1100430, 1161565, 1393878, 2090817, 2323130, 3484695, 4181634, 6969390, 10454085, 20908170]

約数ペア:

[(1, 20908170), (2, 10454085), (3, 6969390), (5, 4181634), (6, 3484695), (9, 2323130), (10, 2090817), (15, 1393878), (18, 1161565), (19, 1100430), (30, 696939), (38, 550215), (45, 464626), (57, 366810), (90, 232313), (95, 220086), (114, 183405), (171, 122270), (190, 110043), (285, 73362), (342, 61135), (570, 36681), (855, 24454), (1710, 12227)]