20438904

素因数分解:

$2^3\times 3^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{607}}^1$

素因数の和:700

約数の個数: 64

約数和(自身を含む): 54282240

約数和(自身を除く): 33843336

約数列:

[1, 2, 3, 4, 6, 8, 12, 23, 24, 46, 61, 69, 92, 122, 138, 183, 184, 244, 276, 366, 488, 552, 607, 732, 1214, 1403, 1464, 1821, 2428, 2806, 3642, 4209, 4856, 5612, 7284, 8418, 11224, 13961, 14568, 16836, 27922, 33672, 37027, 41883, 55844, 74054, 83766, 111081, 111688, 148108, 167532, 222162, 296216, 335064, 444324, 851621, 888648, 1703242, 2554863, 3406484, 5109726, 6812968, 10219452, 20438904]

約数ペア:

[(1, 20438904), (2, 10219452), (3, 6812968), (4, 5109726), (6, 3406484), (8, 2554863), (12, 1703242), (23, 888648), (24, 851621), (46, 444324), (61, 335064), (69, 296216), (92, 222162), (122, 167532), (138, 148108), (183, 111688), (184, 111081), (244, 83766), (276, 74054), (366, 55844), (488, 41883), (552, 37027), (607, 33672), (732, 27922), (1214, 16836), (1403, 14568), (1464, 13961), (1821, 11224), (2428, 8418), (2806, 7284), (3642, 5612), (4209, 4856)]