20168330

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{599}}^1$

素因数の和:663

約数の個数: 64

約数和(自身を含む): 45964800

約数和(自身を除く): 25796470

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 37, 65, 70, 74, 91, 130, 182, 185, 259, 370, 455, 481, 518, 599, 910, 962, 1198, 1295, 2405, 2590, 2995, 3367, 4193, 4810, 5990, 6734, 7787, 8386, 15574, 16835, 20965, 22163, 33670, 38935, 41930, 44326, 54509, 77870, 109018, 110815, 155141, 221630, 272545, 288119, 310282, 545090, 576238, 775705, 1440595, 1551410, 2016833, 2881190, 4033666, 10084165, 20168330]

約数ペア:

[(1, 20168330), (2, 10084165), (5, 4033666), (7, 2881190), (10, 2016833), (13, 1551410), (14, 1440595), (26, 775705), (35, 576238), (37, 545090), (65, 310282), (70, 288119), (74, 272545), (91, 221630), (130, 155141), (182, 110815), (185, 109018), (259, 77870), (370, 54509), (455, 44326), (481, 41930), (518, 38935), (599, 33670), (910, 22163), (962, 20965), (1198, 16835), (1295, 15574), (2405, 8386), (2590, 7787), (2995, 6734), (3367, 5990), (4193, 4810)]