20625420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{277}}^1$

素因数の和:379

約数の個数: 96

約数和(自身を含む): 62209728

約数和(自身を除く): 41584308

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 20, 30, 34, 51, 60, 68, 73, 85, 102, 146, 170, 204, 219, 255, 277, 292, 340, 365, 438, 510, 554, 730, 831, 876, 1020, 1095, 1108, 1241, 1385, 1460, 1662, 2190, 2482, 2770, 3324, 3723, 4155, 4380, 4709, 4964, 5540, 6205, 7446, 8310, 9418, 12410, 14127, 14892, 16620, 18615, 18836, 20221, 23545, 24820, 28254, 37230, 40442, 47090, 56508, 60663, 70635, 74460, 80884, 94180, 101105, 121326, 141270, 202210, 242652, 282540, 303315, 343757, 404420, 606630, 687514, 1031271, 1213260, 1375028, 1718785, 2062542, 3437570, 4125084, 5156355, 6875140, 10312710, 20625420]

約数ペア:

[(1, 20625420), (2, 10312710), (3, 6875140), (4, 5156355), (5, 4125084), (6, 3437570), (10, 2062542), (12, 1718785), (15, 1375028), (17, 1213260), (20, 1031271), (30, 687514), (34, 606630), (51, 404420), (60, 343757), (68, 303315), (73, 282540), (85, 242652), (102, 202210), (146, 141270), (170, 121326), (204, 101105), (219, 94180), (255, 80884), (277, 74460), (292, 70635), (340, 60663), (365, 56508), (438, 47090), (510, 40442), (554, 37230), (730, 28254), (831, 24820), (876, 23545), (1020, 20221), (1095, 18836), (1108, 18615), (1241, 16620), (1385, 14892), (1460, 14127), (1662, 12410), (2190, 9418), (2482, 8310), (2770, 7446), (3324, 6205), (3723, 5540), (4155, 4964), (4380, 4709)]