20177100

素因数分解:

$2^2\times 3^4\times 5^2\times {\mathrm{47}}^1\times {\mathrm{53}}^1$

素因数の和:126

約数の個数: 180

約数和(自身を含む): 68058144

約数和(自身を除く): 47881044

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 27, 30, 36, 45, 47, 50, 53, 54, 60, 75, 81, 90, 94, 100, 106, 108, 135, 141, 150, 159, 162, 180, 188, 212, 225, 235, 265, 270, 282, 300, 318, 324, 405, 423, 450, 470, 477, 530, 540, 564, 636, 675, 705, 795, 810, 846, 900, 940, 954, 1060, 1175, 1269, 1325, 1350, 1410, 1431, 1590, 1620, 1692, 1908, 2025, 2115, 2350, 2385, 2491, 2538, 2650, 2700, 2820, 2862, 3180, 3525, 3807, 3975, 4050, 4230, 4293, 4700, 4770, 4982, 5076, 5300, 5724, 6345, 7050, 7155, 7473, 7614, 7950, 8100, 8460, 8586, 9540, 9964, 10575, 11925, 12455, 12690, 14100, 14310, 14946, 15228, 15900, 17172, 19035, 21150, 21465, 22419, 23850, 24910, 25380, 28620, 29892, 31725, 35775, 37365, 38070, 42300, 42930, 44838, 47700, 49820, 62275, 63450, 67257, 71550, 74730, 76140, 85860, 89676, 95175, 107325, 112095, 124550, 126900, 134514, 143100, 149460, 186825, 190350, 201771, 214650, 224190, 249100, 269028, 336285, 373650, 380700, 403542, 429300, 448380, 560475, 672570, 747300, 807084, 1008855, 1120950, 1345140, 1681425, 2017710, 2241900, 3362850, 4035420, 5044275, 6725700, 10088550, 20177100]

約数ペア:

[(1, 20177100), (2, 10088550), (3, 6725700), (4, 5044275), (5, 4035420), (6, 3362850), (9, 2241900), (10, 2017710), (12, 1681425), (15, 1345140), (18, 1120950), (20, 1008855), (25, 807084), (27, 747300), (30, 672570), (36, 560475), (45, 448380), (47, 429300), (50, 403542), (53, 380700), (54, 373650), (60, 336285), (75, 269028), (81, 249100), (90, 224190), (94, 214650), (100, 201771), (106, 190350), (108, 186825), (135, 149460), (141, 143100), (150, 134514), (159, 126900), (162, 124550), (180, 112095), (188, 107325), (212, 95175), (225, 89676), (235, 85860), (265, 76140), (270, 74730), (282, 71550), (300, 67257), (318, 63450), (324, 62275), (405, 49820), (423, 47700), (450, 44838), (470, 42930), (477, 42300), (530, 38070), (540, 37365), (564, 35775), (636, 31725), (675, 29892), (705, 28620), (795, 25380), (810, 24910), (846, 23850), (900, 22419), (940, 21465), (954, 21150), (1060, 19035), (1175, 17172), (1269, 15900), (1325, 15228), (1350, 14946), (1410, 14310), (1431, 14100), (1590, 12690), (1620, 12455), (1692, 11925), (1908, 10575), (2025, 9964), (2115, 9540), (2350, 8586), (2385, 8460), (2491, 8100), (2538, 7950), (2650, 7614), (2700, 7473), (2820, 7155), (2862, 7050), (3180, 6345), (3525, 5724), (3807, 5300), (3975, 5076), (4050, 4982), (4230, 4770), (4293, 4700)]