20187936428

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{653}}^1\times {\mathrm{10487}}^1$

素因数の和:11222

約数の個数: 48

約数和(自身を含む): 39179476224

約数和(自身を除く): 18991539796

約数列:

[1, 2, 4, 11, 22, 44, 67, 134, 268, 653, 737, 1306, 1474, 2612, 2948, 7183, 10487, 14366, 20974, 28732, 41948, 43751, 87502, 115357, 175004, 230714, 461428, 481261, 702629, 962522, 1405258, 1925044, 2810516, 6848011, 7728919, 13696022, 15457838, 27392044, 30915676, 75328121, 150656242, 301312484, 458816737, 917633474, 1835266948, 5046984107, 10093968214, 20187936428]

約数ペア:

[(1, 20187936428), (2, 10093968214), (4, 5046984107), (11, 1835266948), (22, 917633474), (44, 458816737), (67, 301312484), (134, 150656242), (268, 75328121), (653, 30915676), (737, 27392044), (1306, 15457838), (1474, 13696022), (2612, 7728919), (2948, 6848011), (7183, 2810516), (10487, 1925044), (14366, 1405258), (20974, 962522), (28732, 702629), (41948, 481261), (43751, 461428), (87502, 230714), (115357, 175004)]