20873328

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{73}}^1$

素因数の和:151

約数の個数: 160

約数和(自身を含む): 66948096

約数和(自身を除く): 46074768

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 23, 24, 28, 37, 42, 46, 48, 56, 69, 73, 74, 84, 92, 111, 112, 138, 146, 148, 161, 168, 184, 219, 222, 259, 276, 292, 296, 322, 336, 368, 438, 444, 483, 511, 518, 552, 584, 592, 644, 777, 851, 876, 888, 966, 1022, 1036, 1104, 1168, 1288, 1533, 1554, 1679, 1702, 1752, 1776, 1932, 2044, 2072, 2553, 2576, 2701, 3066, 3108, 3358, 3404, 3504, 3864, 4088, 4144, 5037, 5106, 5402, 5957, 6132, 6216, 6716, 6808, 7728, 8103, 8176, 10074, 10212, 10804, 11753, 11914, 12264, 12432, 13432, 13616, 16206, 17871, 18907, 20148, 20424, 21608, 23506, 23828, 24528, 26864, 32412, 35259, 35742, 37814, 40296, 40848, 43216, 47012, 47656, 56721, 62123, 64824, 70518, 71484, 75628, 80592, 94024, 95312, 113442, 124246, 129648, 141036, 142968, 151256, 186369, 188048, 226884, 248492, 282072, 285936, 302512, 372738, 434861, 453768, 496984, 564144, 745476, 869722, 907536, 993968, 1304583, 1490952, 1739444, 2609166, 2981904, 3478888, 5218332, 6957776, 10436664, 20873328]

約数ペア:

[(1, 20873328), (2, 10436664), (3, 6957776), (4, 5218332), (6, 3478888), (7, 2981904), (8, 2609166), (12, 1739444), (14, 1490952), (16, 1304583), (21, 993968), (23, 907536), (24, 869722), (28, 745476), (37, 564144), (42, 496984), (46, 453768), (48, 434861), (56, 372738), (69, 302512), (73, 285936), (74, 282072), (84, 248492), (92, 226884), (111, 188048), (112, 186369), (138, 151256), (146, 142968), (148, 141036), (161, 129648), (168, 124246), (184, 113442), (219, 95312), (222, 94024), (259, 80592), (276, 75628), (292, 71484), (296, 70518), (322, 64824), (336, 62123), (368, 56721), (438, 47656), (444, 47012), (483, 43216), (511, 40848), (518, 40296), (552, 37814), (584, 35742), (592, 35259), (644, 32412), (777, 26864), (851, 24528), (876, 23828), (888, 23506), (966, 21608), (1022, 20424), (1036, 20148), (1104, 18907), (1168, 17871), (1288, 16206), (1533, 13616), (1554, 13432), (1679, 12432), (1702, 12264), (1752, 11914), (1776, 11753), (1932, 10804), (2044, 10212), (2072, 10074), (2553, 8176), (2576, 8103), (2701, 7728), (3066, 6808), (3108, 6716), (3358, 6216), (3404, 6132), (3504, 5957), (3864, 5402), (4088, 5106), (4144, 5037)]