20831622

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1\times {\mathrm{173}}^1$

素因数の和:293

約数の個数: 64

約数和(自身を含む): 49711104

約数和(自身を除く): 28879482

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 47, 61, 94, 122, 141, 173, 183, 282, 329, 346, 366, 427, 519, 658, 854, 987, 1038, 1211, 1281, 1974, 2422, 2562, 2867, 3633, 5734, 7266, 8131, 8601, 10553, 16262, 17202, 20069, 21106, 24393, 31659, 40138, 48786, 56917, 60207, 63318, 73871, 113834, 120414, 147742, 170751, 221613, 341502, 443226, 495991, 991982, 1487973, 2975946, 3471937, 6943874, 10415811, 20831622]

約数ペア:

[(1, 20831622), (2, 10415811), (3, 6943874), (6, 3471937), (7, 2975946), (14, 1487973), (21, 991982), (42, 495991), (47, 443226), (61, 341502), (94, 221613), (122, 170751), (141, 147742), (173, 120414), (183, 113834), (282, 73871), (329, 63318), (346, 60207), (366, 56917), (427, 48786), (519, 40138), (658, 31659), (854, 24393), (987, 21106), (1038, 20069), (1211, 17202), (1281, 16262), (1974, 10553), (2422, 8601), (2562, 8131), (2867, 7266), (3633, 5734)]