20263776

素因数分解:

$2^5\times 3^1\times {\mathrm{13}}^2\times {\mathrm{1249}}^1$

素因数の和:1288

約数の個数: 72

約数和(自身を含む): 57645000

約数和(自身を除く): 37381224

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 32, 39, 48, 52, 78, 96, 104, 156, 169, 208, 312, 338, 416, 507, 624, 676, 1014, 1248, 1249, 1352, 2028, 2498, 2704, 3747, 4056, 4996, 5408, 7494, 8112, 9992, 14988, 16224, 16237, 19984, 29976, 32474, 39968, 48711, 59952, 64948, 97422, 119904, 129896, 194844, 211081, 259792, 389688, 422162, 519584, 633243, 779376, 844324, 1266486, 1558752, 1688648, 2532972, 3377296, 5065944, 6754592, 10131888, 20263776]

約数ペア:

[(1, 20263776), (2, 10131888), (3, 6754592), (4, 5065944), (6, 3377296), (8, 2532972), (12, 1688648), (13, 1558752), (16, 1266486), (24, 844324), (26, 779376), (32, 633243), (39, 519584), (48, 422162), (52, 389688), (78, 259792), (96, 211081), (104, 194844), (156, 129896), (169, 119904), (208, 97422), (312, 64948), (338, 59952), (416, 48711), (507, 39968), (624, 32474), (676, 29976), (1014, 19984), (1248, 16237), (1249, 16224), (1352, 14988), (2028, 9992), (2498, 8112), (2704, 7494), (3747, 5408), (4056, 4996)]