20172654540

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{5898437}}^1$

素因数の和:5898471

約数の個数: 72

約数和(自身を含む): 64410942960

約数和(自身を除く): 44238288420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 36, 38, 45, 57, 60, 76, 90, 95, 114, 171, 180, 190, 228, 285, 342, 380, 570, 684, 855, 1140, 1710, 3420, 5898437, 11796874, 17695311, 23593748, 29492185, 35390622, 53085933, 58984370, 70781244, 88476555, 106171866, 112070303, 117968740, 176953110, 212343732, 224140606, 265429665, 336210909, 353906220, 448281212, 530859330, 560351515, 672421818, 1008632727, 1061718660, 1120703030, 1344843636, 1681054545, 2017265454, 2241406060, 3362109090, 4034530908, 5043163635, 6724218180, 10086327270, 20172654540]

約数ペア:

[(1, 20172654540), (2, 10086327270), (3, 6724218180), (4, 5043163635), (5, 4034530908), (6, 3362109090), (9, 2241406060), (10, 2017265454), (12, 1681054545), (15, 1344843636), (18, 1120703030), (19, 1061718660), (20, 1008632727), (30, 672421818), (36, 560351515), (38, 530859330), (45, 448281212), (57, 353906220), (60, 336210909), (76, 265429665), (90, 224140606), (95, 212343732), (114, 176953110), (171, 117968740), (180, 112070303), (190, 106171866), (228, 88476555), (285, 70781244), (342, 58984370), (380, 53085933), (570, 35390622), (684, 29492185), (855, 23593748), (1140, 17695311), (1710, 11796874), (3420, 5898437)]