20615328

素因数分解:

$2^5\times 3^2\times {\mathrm{47}}^1\times {\mathrm{1523}}^1$

素因数の和:1586

約数の個数: 72

約数和(自身を含む): 59911488

約数和(自身を除く): 39296160

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 47, 48, 72, 94, 96, 141, 144, 188, 282, 288, 376, 423, 564, 752, 846, 1128, 1504, 1523, 1692, 2256, 3046, 3384, 4512, 4569, 6092, 6768, 9138, 12184, 13536, 13707, 18276, 24368, 27414, 36552, 48736, 54828, 71581, 73104, 109656, 143162, 146208, 214743, 219312, 286324, 429486, 438624, 572648, 644229, 858972, 1145296, 1288458, 1717944, 2290592, 2576916, 3435888, 5153832, 6871776, 10307664, 20615328]

約数ペア:

[(1, 20615328), (2, 10307664), (3, 6871776), (4, 5153832), (6, 3435888), (8, 2576916), (9, 2290592), (12, 1717944), (16, 1288458), (18, 1145296), (24, 858972), (32, 644229), (36, 572648), (47, 438624), (48, 429486), (72, 286324), (94, 219312), (96, 214743), (141, 146208), (144, 143162), (188, 109656), (282, 73104), (288, 71581), (376, 54828), (423, 48736), (564, 36552), (752, 27414), (846, 24368), (1128, 18276), (1504, 13707), (1523, 13536), (1692, 12184), (2256, 9138), (3046, 6768), (3384, 6092), (4512, 4569)]