20243478424

素因数分解:

$2^3\times {\mathrm{13}}^2\times {\mathrm{43}}^1\times {\mathrm{348209}}^1$

素因数の和:348284

約数の個数: 48

約数和(自身を含む): 42056803800

約数和(自身を除く): 21813325376

約数列:

[1, 2, 4, 8, 13, 26, 43, 52, 86, 104, 169, 172, 338, 344, 559, 676, 1118, 1352, 2236, 4472, 7267, 14534, 29068, 58136, 348209, 696418, 1392836, 2785672, 4526717, 9053434, 14972987, 18106868, 29945974, 36213736, 58847321, 59891948, 117694642, 119783896, 194648831, 235389284, 389297662, 470778568, 778595324, 1557190648, 2530434803, 5060869606, 10121739212, 20243478424]

約数ペア:

[(1, 20243478424), (2, 10121739212), (4, 5060869606), (8, 2530434803), (13, 1557190648), (26, 778595324), (43, 470778568), (52, 389297662), (86, 235389284), (104, 194648831), (169, 119783896), (172, 117694642), (338, 59891948), (344, 58847321), (559, 36213736), (676, 29945974), (1118, 18106868), (1352, 14972987), (2236, 9053434), (4472, 4526717), (7267, 2785672), (14534, 1392836), (29068, 696418), (58136, 348209)]