20851344

素因数分解:

$2^4\times 3^5\times {\mathrm{31}}^1\times {\mathrm{173}}^1$

素因数の和:227

約数の個数: 120

約数和(自身を含む): 62829312

約数和(自身を除く): 41977968

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 31, 36, 48, 54, 62, 72, 81, 93, 108, 124, 144, 162, 173, 186, 216, 243, 248, 279, 324, 346, 372, 432, 486, 496, 519, 558, 648, 692, 744, 837, 972, 1038, 1116, 1296, 1384, 1488, 1557, 1674, 1944, 2076, 2232, 2511, 2768, 3114, 3348, 3888, 4152, 4464, 4671, 5022, 5363, 6228, 6696, 7533, 8304, 9342, 10044, 10726, 12456, 13392, 14013, 15066, 16089, 18684, 20088, 21452, 24912, 28026, 30132, 32178, 37368, 40176, 42039, 42904, 48267, 56052, 60264, 64356, 74736, 84078, 85808, 96534, 112104, 120528, 128712, 144801, 168156, 193068, 224208, 257424, 289602, 336312, 386136, 434403, 579204, 672624, 772272, 868806, 1158408, 1303209, 1737612, 2316816, 2606418, 3475224, 5212836, 6950448, 10425672, 20851344]

約数ペア:

[(1, 20851344), (2, 10425672), (3, 6950448), (4, 5212836), (6, 3475224), (8, 2606418), (9, 2316816), (12, 1737612), (16, 1303209), (18, 1158408), (24, 868806), (27, 772272), (31, 672624), (36, 579204), (48, 434403), (54, 386136), (62, 336312), (72, 289602), (81, 257424), (93, 224208), (108, 193068), (124, 168156), (144, 144801), (162, 128712), (173, 120528), (186, 112104), (216, 96534), (243, 85808), (248, 84078), (279, 74736), (324, 64356), (346, 60264), (372, 56052), (432, 48267), (486, 42904), (496, 42039), (519, 40176), (558, 37368), (648, 32178), (692, 30132), (744, 28026), (837, 24912), (972, 21452), (1038, 20088), (1116, 18684), (1296, 16089), (1384, 15066), (1488, 14013), (1557, 13392), (1674, 12456), (1944, 10726), (2076, 10044), (2232, 9342), (2511, 8304), (2768, 7533), (3114, 6696), (3348, 6228), (3888, 5363), (4152, 5022), (4464, 4671)]