20452060

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{173}}^1\times {\mathrm{257}}^1$

素因数の和:462

約数の個数: 48

約数和(自身を含む): 45251136

約数和(自身を除く): 24799076

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 173, 230, 257, 346, 460, 514, 692, 865, 1028, 1285, 1730, 2570, 3460, 3979, 5140, 5911, 7958, 11822, 15916, 19895, 23644, 29555, 39790, 44461, 59110, 79580, 88922, 118220, 177844, 222305, 444610, 889220, 1022603, 2045206, 4090412, 5113015, 10226030, 20452060]

約数ペア:

[(1, 20452060), (2, 10226030), (4, 5113015), (5, 4090412), (10, 2045206), (20, 1022603), (23, 889220), (46, 444610), (92, 222305), (115, 177844), (173, 118220), (230, 88922), (257, 79580), (346, 59110), (460, 44461), (514, 39790), (692, 29555), (865, 23644), (1028, 19895), (1285, 15916), (1730, 11822), (2570, 7958), (3460, 5911), (3979, 5140)]