20118379827

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{491}}^1\times {\mathrm{150089}}^1$

素因数の和:150603

約数の個数: 32

約数和(自身を含む): 33082237440

約数和(自身を除く): 12963857613

約数列:

[1, 3, 7, 13, 21, 39, 91, 273, 491, 1473, 3437, 6383, 10311, 19149, 44681, 134043, 150089, 450267, 1050623, 1951157, 3151869, 5853471, 13658099, 40974297, 73693699, 221081097, 515855893, 958018087, 1547567679, 2874054261, 6706126609, 20118379827]

約数ペア:

[(1, 20118379827), (3, 6706126609), (7, 2874054261), (13, 1547567679), (21, 958018087), (39, 515855893), (91, 221081097), (273, 73693699), (491, 40974297), (1473, 13658099), (3437, 5853471), (6383, 3151869), (10311, 1951157), (19149, 1050623), (44681, 450267), (134043, 150089)]