20614356

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{179}}^1\times {\mathrm{457}}^1$

素因数の和:653

約数の個数: 72

約数和(自身を含む): 60016320

約数和(自身を除く): 39401964

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 179, 252, 358, 457, 537, 716, 914, 1074, 1253, 1371, 1611, 1828, 2148, 2506, 2742, 3199, 3222, 3759, 4113, 5012, 5484, 6398, 6444, 7518, 8226, 9597, 11277, 12796, 15036, 16452, 19194, 22554, 28791, 38388, 45108, 57582, 81803, 115164, 163606, 245409, 327212, 490818, 572621, 736227, 981636, 1145242, 1472454, 1717863, 2290484, 2944908, 3435726, 5153589, 6871452, 10307178, 20614356]

約数ペア:

[(1, 20614356), (2, 10307178), (3, 6871452), (4, 5153589), (6, 3435726), (7, 2944908), (9, 2290484), (12, 1717863), (14, 1472454), (18, 1145242), (21, 981636), (28, 736227), (36, 572621), (42, 490818), (63, 327212), (84, 245409), (126, 163606), (179, 115164), (252, 81803), (358, 57582), (457, 45108), (537, 38388), (716, 28791), (914, 22554), (1074, 19194), (1253, 16452), (1371, 15036), (1611, 12796), (1828, 11277), (2148, 9597), (2506, 8226), (2742, 7518), (3199, 6444), (3222, 6398), (3759, 5484), (4113, 5012)]