20743450

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{97}}^1$

素因数の和:176

約数の個数: 96

約数和(自身を含む): 48996864

約数和(自身を除く): 28253414

約数列:

[1, 2, 5, 7, 10, 13, 14, 25, 26, 35, 47, 50, 65, 70, 91, 94, 97, 130, 175, 182, 194, 235, 325, 329, 350, 455, 470, 485, 611, 650, 658, 679, 910, 970, 1175, 1222, 1261, 1358, 1645, 2275, 2350, 2425, 2522, 3055, 3290, 3395, 4277, 4550, 4559, 4850, 6110, 6305, 6790, 8225, 8554, 8827, 9118, 12610, 15275, 16450, 16975, 17654, 21385, 22795, 30550, 31525, 31913, 33950, 42770, 44135, 45590, 59267, 63050, 63826, 88270, 106925, 113975, 118534, 159565, 213850, 220675, 227950, 296335, 319130, 414869, 441350, 592670, 797825, 829738, 1481675, 1595650, 2074345, 2963350, 4148690, 10371725, 20743450]

約数ペア:

[(1, 20743450), (2, 10371725), (5, 4148690), (7, 2963350), (10, 2074345), (13, 1595650), (14, 1481675), (25, 829738), (26, 797825), (35, 592670), (47, 441350), (50, 414869), (65, 319130), (70, 296335), (91, 227950), (94, 220675), (97, 213850), (130, 159565), (175, 118534), (182, 113975), (194, 106925), (235, 88270), (325, 63826), (329, 63050), (350, 59267), (455, 45590), (470, 44135), (485, 42770), (611, 33950), (650, 31913), (658, 31525), (679, 30550), (910, 22795), (970, 21385), (1175, 17654), (1222, 16975), (1261, 16450), (1358, 15275), (1645, 12610), (2275, 9118), (2350, 8827), (2425, 8554), (2522, 8225), (3055, 6790), (3290, 6305), (3395, 6110), (4277, 4850), (4550, 4559)]