20254650

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{47}}^1$

素因数の和:105

約数の個数: 144

約数和(自身を含む): 58817664

約数和(自身を除く): 38563014

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 17, 25, 26, 30, 34, 39, 47, 50, 51, 65, 75, 78, 85, 94, 102, 130, 141, 150, 169, 170, 195, 221, 235, 255, 282, 325, 338, 390, 425, 442, 470, 507, 510, 611, 650, 663, 705, 799, 845, 850, 975, 1014, 1105, 1175, 1222, 1275, 1326, 1410, 1598, 1690, 1833, 1950, 2210, 2350, 2397, 2535, 2550, 2873, 3055, 3315, 3525, 3666, 3995, 4225, 4794, 5070, 5525, 5746, 6110, 6630, 7050, 7943, 7990, 8450, 8619, 9165, 10387, 11050, 11985, 12675, 14365, 15275, 15886, 16575, 17238, 18330, 19975, 20774, 23829, 23970, 25350, 28730, 30550, 31161, 33150, 39715, 39950, 43095, 45825, 47658, 51935, 59925, 62322, 71825, 79430, 86190, 91650, 103870, 119145, 119850, 135031, 143650, 155805, 198575, 215475, 238290, 259675, 270062, 311610, 397150, 405093, 430950, 519350, 595725, 675155, 779025, 810186, 1191450, 1350310, 1558050, 2025465, 3375775, 4050930, 6751550, 10127325, 20254650]

約数ペア:

[(1, 20254650), (2, 10127325), (3, 6751550), (5, 4050930), (6, 3375775), (10, 2025465), (13, 1558050), (15, 1350310), (17, 1191450), (25, 810186), (26, 779025), (30, 675155), (34, 595725), (39, 519350), (47, 430950), (50, 405093), (51, 397150), (65, 311610), (75, 270062), (78, 259675), (85, 238290), (94, 215475), (102, 198575), (130, 155805), (141, 143650), (150, 135031), (169, 119850), (170, 119145), (195, 103870), (221, 91650), (235, 86190), (255, 79430), (282, 71825), (325, 62322), (338, 59925), (390, 51935), (425, 47658), (442, 45825), (470, 43095), (507, 39950), (510, 39715), (611, 33150), (650, 31161), (663, 30550), (705, 28730), (799, 25350), (845, 23970), (850, 23829), (975, 20774), (1014, 19975), (1105, 18330), (1175, 17238), (1222, 16575), (1275, 15886), (1326, 15275), (1410, 14365), (1598, 12675), (1690, 11985), (1833, 11050), (1950, 10387), (2210, 9165), (2350, 8619), (2397, 8450), (2535, 7990), (2550, 7943), (2873, 7050), (3055, 6630), (3315, 6110), (3525, 5746), (3666, 5525), (3995, 5070), (4225, 4794)]