20768650

素因数分解:

$2^1\times 5^2\times 7^4\times {\mathrm{173}}^1$

素因数の和:213

約数の個数: 60

約数和(自身を含む): 45325782

約数和(自身を除く): 24557132

約数列:

[1, 2, 5, 7, 10, 14, 25, 35, 49, 50, 70, 98, 173, 175, 245, 343, 346, 350, 490, 686, 865, 1211, 1225, 1715, 1730, 2401, 2422, 2450, 3430, 4325, 4802, 6055, 8477, 8575, 8650, 12005, 12110, 16954, 17150, 24010, 30275, 42385, 59339, 60025, 60550, 84770, 118678, 120050, 211925, 296695, 415373, 423850, 593390, 830746, 1483475, 2076865, 2966950, 4153730, 10384325, 20768650]

約数ペア:

[(1, 20768650), (2, 10384325), (5, 4153730), (7, 2966950), (10, 2076865), (14, 1483475), (25, 830746), (35, 593390), (49, 423850), (50, 415373), (70, 296695), (98, 211925), (173, 120050), (175, 118678), (245, 84770), (343, 60550), (346, 60025), (350, 59339), (490, 42385), (686, 30275), (865, 24010), (1211, 17150), (1225, 16954), (1715, 12110), (1730, 12005), (2401, 8650), (2422, 8575), (2450, 8477), (3430, 6055), (4325, 4802)]