20453056

素因数分解:

$2^6\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{61}}^1$

素因数の和:130

約数の個数: 84

約数和(自身を含む): 46110144

約数和(自身を除く): 25657088

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 32, 52, 61, 62, 64, 104, 122, 124, 169, 208, 244, 248, 338, 403, 416, 488, 496, 676, 793, 806, 832, 976, 992, 1352, 1586, 1612, 1891, 1952, 1984, 2704, 3172, 3224, 3782, 3904, 5239, 5408, 6344, 6448, 7564, 10309, 10478, 10816, 12688, 12896, 15128, 20618, 20956, 24583, 25376, 25792, 30256, 41236, 41912, 49166, 50752, 60512, 82472, 83824, 98332, 121024, 164944, 167648, 196664, 319579, 329888, 335296, 393328, 639158, 659776, 786656, 1278316, 1573312, 2556632, 5113264, 10226528, 20453056]

約数ペア:

[(1, 20453056), (2, 10226528), (4, 5113264), (8, 2556632), (13, 1573312), (16, 1278316), (26, 786656), (31, 659776), (32, 639158), (52, 393328), (61, 335296), (62, 329888), (64, 319579), (104, 196664), (122, 167648), (124, 164944), (169, 121024), (208, 98332), (244, 83824), (248, 82472), (338, 60512), (403, 50752), (416, 49166), (488, 41912), (496, 41236), (676, 30256), (793, 25792), (806, 25376), (832, 24583), (976, 20956), (992, 20618), (1352, 15128), (1586, 12896), (1612, 12688), (1891, 10816), (1952, 10478), (1984, 10309), (2704, 7564), (3172, 6448), (3224, 6344), (3782, 5408), (3904, 5239)]