20946100

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{1301}}^1$

素因数の和:1345

約数の個数: 72

約数和(自身を含む): 54246528

約数和(自身を除く): 33300428

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 25, 28, 35, 46, 50, 70, 92, 100, 115, 140, 161, 175, 230, 322, 350, 460, 575, 644, 700, 805, 1150, 1301, 1610, 2300, 2602, 3220, 4025, 5204, 6505, 8050, 9107, 13010, 16100, 18214, 26020, 29923, 32525, 36428, 45535, 59846, 65050, 91070, 119692, 130100, 149615, 182140, 209461, 227675, 299230, 418922, 455350, 598460, 748075, 837844, 910700, 1047305, 1496150, 2094610, 2992300, 4189220, 5236525, 10473050, 20946100]

約数ペア:

[(1, 20946100), (2, 10473050), (4, 5236525), (5, 4189220), (7, 2992300), (10, 2094610), (14, 1496150), (20, 1047305), (23, 910700), (25, 837844), (28, 748075), (35, 598460), (46, 455350), (50, 418922), (70, 299230), (92, 227675), (100, 209461), (115, 182140), (140, 149615), (161, 130100), (175, 119692), (230, 91070), (322, 65050), (350, 59846), (460, 45535), (575, 36428), (644, 32525), (700, 29923), (805, 26020), (1150, 18214), (1301, 16100), (1610, 13010), (2300, 9107), (2602, 8050), (3220, 6505), (4025, 5204)]