20187274328

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{59}}^1\times {\mathrm{76511}}^1$

素因数の和:76632

約数の個数: 64

約数和(自身を含む): 42418252800

約数和(自身を除く): 22230978472

約数列:

[1, 2, 4, 8, 13, 26, 43, 52, 59, 86, 104, 118, 172, 236, 344, 472, 559, 767, 1118, 1534, 2236, 2537, 3068, 4472, 5074, 6136, 10148, 20296, 32981, 65962, 76511, 131924, 153022, 263848, 306044, 612088, 994643, 1989286, 3289973, 3978572, 4514149, 6579946, 7957144, 9028298, 13159892, 18056596, 26319784, 36113192, 42769649, 58683937, 85539298, 117367874, 171078596, 194108407, 234735748, 342157192, 388216814, 469471496, 776433628, 1552867256, 2523409291, 5046818582, 10093637164, 20187274328]

約数ペア:

[(1, 20187274328), (2, 10093637164), (4, 5046818582), (8, 2523409291), (13, 1552867256), (26, 776433628), (43, 469471496), (52, 388216814), (59, 342157192), (86, 234735748), (104, 194108407), (118, 171078596), (172, 117367874), (236, 85539298), (344, 58683937), (472, 42769649), (559, 36113192), (767, 26319784), (1118, 18056596), (1534, 13159892), (2236, 9028298), (2537, 7957144), (3068, 6579946), (4472, 4514149), (5074, 3978572), (6136, 3289973), (10148, 1989286), (20296, 994643), (32981, 612088), (65962, 306044), (76511, 263848), (131924, 153022)]