20201913540

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{53}}^1\times {\mathrm{235289}}^1$

素因数の和:235363

約数の個数: 120

約数和(自身を含む): 64570164120

約数和(自身を除く): 44368250580

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 53, 54, 60, 81, 90, 106, 108, 135, 159, 162, 180, 212, 265, 270, 318, 324, 405, 477, 530, 540, 636, 795, 810, 954, 1060, 1431, 1590, 1620, 1908, 2385, 2862, 3180, 4293, 4770, 5724, 7155, 8586, 9540, 14310, 17172, 21465, 28620, 42930, 85860, 235289, 470578, 705867, 941156, 1176445, 1411734, 2117601, 2352890, 2823468, 3529335, 4235202, 4705780, 6352803, 7058670, 8470404, 10588005, 12470317, 12705606, 14117340, 19058409, 21176010, 24940634, 25411212, 31764015, 37410951, 38116818, 42352020, 49881268, 62351585, 63528030, 74821902, 76233636, 95292045, 112232853, 124703170, 127056060, 149643804, 187054755, 190584090, 224465706, 249406340, 336698559, 374109510, 381168180, 448931412, 561164265, 673397118, 748219020, 1010095677, 1122328530, 1346794236, 1683492795, 2020191354, 2244657060, 3366985590, 4040382708, 5050478385, 6733971180, 10100956770, 20201913540]

約数ペア:

[(1, 20201913540), (2, 10100956770), (3, 6733971180), (4, 5050478385), (5, 4040382708), (6, 3366985590), (9, 2244657060), (10, 2020191354), (12, 1683492795), (15, 1346794236), (18, 1122328530), (20, 1010095677), (27, 748219020), (30, 673397118), (36, 561164265), (45, 448931412), (53, 381168180), (54, 374109510), (60, 336698559), (81, 249406340), (90, 224465706), (106, 190584090), (108, 187054755), (135, 149643804), (159, 127056060), (162, 124703170), (180, 112232853), (212, 95292045), (265, 76233636), (270, 74821902), (318, 63528030), (324, 62351585), (405, 49881268), (477, 42352020), (530, 38116818), (540, 37410951), (636, 31764015), (795, 25411212), (810, 24940634), (954, 21176010), (1060, 19058409), (1431, 14117340), (1590, 12705606), (1620, 12470317), (1908, 10588005), (2385, 8470404), (2862, 7058670), (3180, 6352803), (4293, 4705780), (4770, 4235202), (5724, 3529335), (7155, 2823468), (8586, 2352890), (9540, 2117601), (14310, 1411734), (17172, 1176445), (21465, 941156), (28620, 705867), (42930, 470578), (85860, 235289)]