20339936

素因数分解:

$2^5\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{419}}^1$

素因数の和:507

約数の個数: 48

約数和(自身を含む): 42230160

約数和(自身を除く): 21890224

約数列:

[1, 2, 4, 8, 16, 32, 37, 41, 74, 82, 148, 164, 296, 328, 419, 592, 656, 838, 1184, 1312, 1517, 1676, 3034, 3352, 6068, 6704, 12136, 13408, 15503, 17179, 24272, 31006, 34358, 48544, 62012, 68716, 124024, 137432, 248048, 274864, 496096, 549728, 635623, 1271246, 2542492, 5084984, 10169968, 20339936]

約数ペア:

[(1, 20339936), (2, 10169968), (4, 5084984), (8, 2542492), (16, 1271246), (32, 635623), (37, 549728), (41, 496096), (74, 274864), (82, 248048), (148, 137432), (164, 124024), (296, 68716), (328, 62012), (419, 48544), (592, 34358), (656, 31006), (838, 24272), (1184, 17179), (1312, 15503), (1517, 13408), (1676, 12136), (3034, 6704), (3352, 6068)]