20475616

素因数分解:

$2^5\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{283}}^1$

素因数の和:336

約数の個数: 96

約数和(自身を含む): 51528960

約数和(自身を除く): 31053344

約数列:

[1, 2, 4, 7, 8, 14, 16, 17, 19, 28, 32, 34, 38, 56, 68, 76, 112, 119, 133, 136, 152, 224, 238, 266, 272, 283, 304, 323, 476, 532, 544, 566, 608, 646, 952, 1064, 1132, 1292, 1904, 1981, 2128, 2261, 2264, 2584, 3808, 3962, 4256, 4522, 4528, 4811, 5168, 5377, 7924, 9044, 9056, 9622, 10336, 10754, 15848, 18088, 19244, 21508, 31696, 33677, 36176, 37639, 38488, 43016, 63392, 67354, 72352, 75278, 76976, 86032, 91409, 134708, 150556, 153952, 172064, 182818, 269416, 301112, 365636, 538832, 602224, 639863, 731272, 1077664, 1204448, 1279726, 1462544, 2559452, 2925088, 5118904, 10237808, 20475616]

約数ペア:

[(1, 20475616), (2, 10237808), (4, 5118904), (7, 2925088), (8, 2559452), (14, 1462544), (16, 1279726), (17, 1204448), (19, 1077664), (28, 731272), (32, 639863), (34, 602224), (38, 538832), (56, 365636), (68, 301112), (76, 269416), (112, 182818), (119, 172064), (133, 153952), (136, 150556), (152, 134708), (224, 91409), (238, 86032), (266, 76976), (272, 75278), (283, 72352), (304, 67354), (323, 63392), (476, 43016), (532, 38488), (544, 37639), (566, 36176), (608, 33677), (646, 31696), (952, 21508), (1064, 19244), (1132, 18088), (1292, 15848), (1904, 10754), (1981, 10336), (2128, 9622), (2261, 9056), (2264, 9044), (2584, 7924), (3808, 5377), (3962, 5168), (4256, 4811), (4522, 4528)]