20757282

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{5431}}^1$

素因数の和:5463

約数の個数: 48

約数和(自身を含む): 52016832

約数和(自身を除く): 31259550

約数列:

[1, 2, 3, 6, 7, 13, 14, 21, 26, 39, 42, 49, 78, 91, 98, 147, 182, 273, 294, 546, 637, 1274, 1911, 3822, 5431, 10862, 16293, 32586, 38017, 70603, 76034, 114051, 141206, 211809, 228102, 266119, 423618, 494221, 532238, 798357, 988442, 1482663, 1596714, 2965326, 3459547, 6919094, 10378641, 20757282]

約数ペア:

[(1, 20757282), (2, 10378641), (3, 6919094), (6, 3459547), (7, 2965326), (13, 1596714), (14, 1482663), (21, 988442), (26, 798357), (39, 532238), (42, 494221), (49, 423618), (78, 266119), (91, 228102), (98, 211809), (147, 141206), (182, 114051), (273, 76034), (294, 70603), (546, 38017), (637, 32586), (1274, 16293), (1911, 10862), (3822, 5431)]