20694368

素因数分解:

$2^5\times {\mathrm{59}}^1\times {\mathrm{97}}^1\times {\mathrm{113}}^1$

素因数の和:279

約数の個数: 48

約数和(自身を含む): 42230160

約数和(自身を除く): 21535792

約数列:

[1, 2, 4, 8, 16, 32, 59, 97, 113, 118, 194, 226, 236, 388, 452, 472, 776, 904, 944, 1552, 1808, 1888, 3104, 3616, 5723, 6667, 10961, 11446, 13334, 21922, 22892, 26668, 43844, 45784, 53336, 87688, 91568, 106672, 175376, 183136, 213344, 350752, 646699, 1293398, 2586796, 5173592, 10347184, 20694368]

約数ペア:

[(1, 20694368), (2, 10347184), (4, 5173592), (8, 2586796), (16, 1293398), (32, 646699), (59, 350752), (97, 213344), (113, 183136), (118, 175376), (194, 106672), (226, 91568), (236, 87688), (388, 53336), (452, 45784), (472, 43844), (776, 26668), (904, 22892), (944, 21922), (1552, 13334), (1808, 11446), (1888, 10961), (3104, 6667), (3616, 5723)]