20937240

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{3061}}^1$

素因数の和:3097

約数の個数: 96

約数和(自身を含む): 71650800

約数和(自身を除く): 50713560

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 19, 20, 24, 30, 36, 38, 40, 45, 57, 60, 72, 76, 90, 95, 114, 120, 152, 171, 180, 190, 228, 285, 342, 360, 380, 456, 570, 684, 760, 855, 1140, 1368, 1710, 2280, 3061, 3420, 6122, 6840, 9183, 12244, 15305, 18366, 24488, 27549, 30610, 36732, 45915, 55098, 58159, 61220, 73464, 91830, 110196, 116318, 122440, 137745, 174477, 183660, 220392, 232636, 275490, 290795, 348954, 367320, 465272, 523431, 550980, 581590, 697908, 872385, 1046862, 1101960, 1163180, 1395816, 1744770, 2093724, 2326360, 2617155, 3489540, 4187448, 5234310, 6979080, 10468620, 20937240]

約数ペア:

[(1, 20937240), (2, 10468620), (3, 6979080), (4, 5234310), (5, 4187448), (6, 3489540), (8, 2617155), (9, 2326360), (10, 2093724), (12, 1744770), (15, 1395816), (18, 1163180), (19, 1101960), (20, 1046862), (24, 872385), (30, 697908), (36, 581590), (38, 550980), (40, 523431), (45, 465272), (57, 367320), (60, 348954), (72, 290795), (76, 275490), (90, 232636), (95, 220392), (114, 183660), (120, 174477), (152, 137745), (171, 122440), (180, 116318), (190, 110196), (228, 91830), (285, 73464), (342, 61220), (360, 58159), (380, 55098), (456, 45915), (570, 36732), (684, 30610), (760, 27549), (855, 24488), (1140, 18366), (1368, 15305), (1710, 12244), (2280, 9183), (3061, 6840), (3420, 6122)]