20139559888

素因数分解:

$2^4\times 7^1\times {\mathrm{53}}^1\times {\mathrm{1021}}^1\times {\mathrm{3323}}^1$

素因数の和:4412

約数の個数: 80

約数和(自身を含む): 45494338176

約数和(自身を除く): 25354778288

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 53, 56, 106, 112, 212, 371, 424, 742, 848, 1021, 1484, 2042, 2968, 3323, 4084, 5936, 6646, 7147, 8168, 13292, 14294, 16336, 23261, 26584, 28588, 46522, 53168, 54113, 57176, 93044, 108226, 114352, 176119, 186088, 216452, 352238, 372176, 378791, 432904, 704476, 757582, 865808, 1232833, 1408952, 1515164, 2465666, 2817904, 3030328, 3392783, 4931332, 6060656, 6785566, 9862664, 13571132, 19725328, 23749481, 27142264, 47498962, 54284528, 94997924, 179817499, 189995848, 359634998, 379991696, 719269996, 1258722493, 1438539992, 2517444986, 2877079984, 5034889972, 10069779944, 20139559888]

約数ペア:

[(1, 20139559888), (2, 10069779944), (4, 5034889972), (7, 2877079984), (8, 2517444986), (14, 1438539992), (16, 1258722493), (28, 719269996), (53, 379991696), (56, 359634998), (106, 189995848), (112, 179817499), (212, 94997924), (371, 54284528), (424, 47498962), (742, 27142264), (848, 23749481), (1021, 19725328), (1484, 13571132), (2042, 9862664), (2968, 6785566), (3323, 6060656), (4084, 4931332), (5936, 3392783), (6646, 3030328), (7147, 2817904), (8168, 2465666), (13292, 1515164), (14294, 1408952), (16336, 1232833), (23261, 865808), (26584, 757582), (28588, 704476), (46522, 432904), (53168, 378791), (54113, 372176), (57176, 352238), (93044, 216452), (108226, 186088), (114352, 176119)]