20833696

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{821}}^1$

素因数の和:905

約数の個数: 48

約数和(自身を含む): 44950248

約数和(自身を除く): 24116552

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 61, 104, 122, 208, 244, 416, 488, 793, 821, 976, 1586, 1642, 1952, 3172, 3284, 6344, 6568, 10673, 12688, 13136, 21346, 25376, 26272, 42692, 50081, 85384, 100162, 170768, 200324, 341536, 400648, 651053, 801296, 1302106, 1602592, 2604212, 5208424, 10416848, 20833696]

約数ペア:

[(1, 20833696), (2, 10416848), (4, 5208424), (8, 2604212), (13, 1602592), (16, 1302106), (26, 801296), (32, 651053), (52, 400648), (61, 341536), (104, 200324), (122, 170768), (208, 100162), (244, 85384), (416, 50081), (488, 42692), (793, 26272), (821, 25376), (976, 21346), (1586, 13136), (1642, 12688), (1952, 10673), (3172, 6568), (3284, 6344)]