20254494

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{173}}^1$

素因数の和:289

約数の個数: 64

約数和(自身を含む): 46771200

約数和(自身を除く): 26516706

約数列:

[1, 2, 3, 6, 13, 19, 26, 38, 39, 57, 78, 79, 114, 158, 173, 237, 247, 346, 474, 494, 519, 741, 1027, 1038, 1482, 1501, 2054, 2249, 3002, 3081, 3287, 4498, 4503, 6162, 6574, 6747, 9006, 9861, 13494, 13667, 19513, 19722, 27334, 39026, 41001, 42731, 58539, 82002, 85462, 117078, 128193, 177671, 256386, 259673, 355342, 519346, 533013, 779019, 1066026, 1558038, 3375749, 6751498, 10127247, 20254494]

約数ペア:

[(1, 20254494), (2, 10127247), (3, 6751498), (6, 3375749), (13, 1558038), (19, 1066026), (26, 779019), (38, 533013), (39, 519346), (57, 355342), (78, 259673), (79, 256386), (114, 177671), (158, 128193), (173, 117078), (237, 85462), (247, 82002), (346, 58539), (474, 42731), (494, 41001), (519, 39026), (741, 27334), (1027, 19722), (1038, 19513), (1482, 13667), (1501, 13494), (2054, 9861), (2249, 9006), (3002, 6747), (3081, 6574), (3287, 6162), (4498, 4503)]