20614680

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{173}}^1\times {\mathrm{331}}^1$

素因数の和:521

約数の個数: 96

約数和(自身を含む): 67588560

約数和(自身を除く): 46973880

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 173, 180, 331, 346, 360, 519, 662, 692, 865, 993, 1038, 1324, 1384, 1557, 1655, 1730, 1986, 2076, 2595, 2648, 2979, 3114, 3310, 3460, 3972, 4152, 4965, 5190, 5958, 6228, 6620, 6920, 7785, 7944, 9930, 10380, 11916, 12456, 13240, 14895, 15570, 19860, 20760, 23832, 29790, 31140, 39720, 57263, 59580, 62280, 114526, 119160, 171789, 229052, 286315, 343578, 458104, 515367, 572630, 687156, 858945, 1030734, 1145260, 1374312, 1717890, 2061468, 2290520, 2576835, 3435780, 4122936, 5153670, 6871560, 10307340, 20614680]

約数ペア:

[(1, 20614680), (2, 10307340), (3, 6871560), (4, 5153670), (5, 4122936), (6, 3435780), (8, 2576835), (9, 2290520), (10, 2061468), (12, 1717890), (15, 1374312), (18, 1145260), (20, 1030734), (24, 858945), (30, 687156), (36, 572630), (40, 515367), (45, 458104), (60, 343578), (72, 286315), (90, 229052), (120, 171789), (173, 119160), (180, 114526), (331, 62280), (346, 59580), (360, 57263), (519, 39720), (662, 31140), (692, 29790), (865, 23832), (993, 20760), (1038, 19860), (1324, 15570), (1384, 14895), (1557, 13240), (1655, 12456), (1730, 11916), (1986, 10380), (2076, 9930), (2595, 7944), (2648, 7785), (2979, 6920), (3114, 6620), (3310, 6228), (3460, 5958), (3972, 5190), (4152, 4965)]