20576050

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{179}}^1$

素因数の和:232

約数の個数: 72

約数和(自身を含む): 44528400

約数和(自身を除く): 23952350

約数列:

[1, 2, 5, 10, 11, 19, 22, 25, 38, 50, 55, 95, 110, 121, 179, 190, 209, 242, 275, 358, 418, 475, 550, 605, 895, 950, 1045, 1210, 1790, 1969, 2090, 2299, 3025, 3401, 3938, 4475, 4598, 5225, 6050, 6802, 8950, 9845, 10450, 11495, 17005, 19690, 21659, 22990, 34010, 37411, 43318, 49225, 57475, 74822, 85025, 98450, 108295, 114950, 170050, 187055, 216590, 374110, 411521, 541475, 823042, 935275, 1082950, 1870550, 2057605, 4115210, 10288025, 20576050]

約数ペア:

[(1, 20576050), (2, 10288025), (5, 4115210), (10, 2057605), (11, 1870550), (19, 1082950), (22, 935275), (25, 823042), (38, 541475), (50, 411521), (55, 374110), (95, 216590), (110, 187055), (121, 170050), (179, 114950), (190, 108295), (209, 98450), (242, 85025), (275, 74822), (358, 57475), (418, 49225), (475, 43318), (550, 37411), (605, 34010), (895, 22990), (950, 21659), (1045, 19690), (1210, 17005), (1790, 11495), (1969, 10450), (2090, 9845), (2299, 8950), (3025, 6802), (3401, 6050), (3938, 5225), (4475, 4598)]