20546406

素因数分解:

$2^1\times 3^3\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{233}}^1$

素因数の和:338

約数の個数: 64

約数和(自身を含む): 48522240

約数和(自身を除く): 27975834

約数列:

[1, 2, 3, 6, 9, 18, 23, 27, 46, 54, 69, 71, 138, 142, 207, 213, 233, 414, 426, 466, 621, 639, 699, 1242, 1278, 1398, 1633, 1917, 2097, 3266, 3834, 4194, 4899, 5359, 6291, 9798, 10718, 12582, 14697, 16077, 16543, 29394, 32154, 33086, 44091, 48231, 49629, 88182, 96462, 99258, 144693, 148887, 289386, 297774, 380489, 446661, 760978, 893322, 1141467, 2282934, 3424401, 6848802, 10273203, 20546406]

約数ペア:

[(1, 20546406), (2, 10273203), (3, 6848802), (6, 3424401), (9, 2282934), (18, 1141467), (23, 893322), (27, 760978), (46, 446661), (54, 380489), (69, 297774), (71, 289386), (138, 148887), (142, 144693), (207, 99258), (213, 96462), (233, 88182), (414, 49629), (426, 48231), (466, 44091), (621, 33086), (639, 32154), (699, 29394), (1242, 16543), (1278, 16077), (1398, 14697), (1633, 12582), (1917, 10718), (2097, 9798), (3266, 6291), (3834, 5359), (4194, 4899)]