20565791716

素因数分解:

$2^2\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{137}}^1\times {\mathrm{29527}}^1$

素因数の和:29740

約数の個数: 48

約数和(自身を含む): 38336320512

約数和(自身を除く): 17770528796

約数列:

[1, 2, 4, 31, 41, 62, 82, 124, 137, 164, 274, 548, 1271, 2542, 4247, 5084, 5617, 8494, 11234, 16988, 22468, 29527, 59054, 118108, 174127, 348254, 696508, 915337, 1210607, 1830674, 2421214, 3661348, 4045199, 4842428, 8090398, 16180796, 37528817, 75057634, 125401169, 150115268, 165853159, 250802338, 331706318, 501604676, 663412636, 5141447929, 10282895858, 20565791716]

約数ペア:

[(1, 20565791716), (2, 10282895858), (4, 5141447929), (31, 663412636), (41, 501604676), (62, 331706318), (82, 250802338), (124, 165853159), (137, 150115268), (164, 125401169), (274, 75057634), (548, 37528817), (1271, 16180796), (2542, 8090398), (4247, 4842428), (5084, 4045199), (5617, 3661348), (8494, 2421214), (11234, 1830674), (16988, 1210607), (22468, 915337), (29527, 696508), (59054, 348254), (118108, 174127)]