20534164

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{179}}^1\times {\mathrm{241}}^1$

素因数の和:448

約数の個数: 48

約数和(自身を含む): 43908480

約数和(自身を除く): 23374316

約数列:

[1, 2, 4, 7, 14, 17, 28, 34, 68, 119, 179, 238, 241, 358, 476, 482, 716, 964, 1253, 1687, 2506, 3043, 3374, 4097, 5012, 6086, 6748, 8194, 12172, 16388, 21301, 28679, 42602, 43139, 57358, 85204, 86278, 114716, 172556, 301973, 603946, 733363, 1207892, 1466726, 2933452, 5133541, 10267082, 20534164]

約数ペア:

[(1, 20534164), (2, 10267082), (4, 5133541), (7, 2933452), (14, 1466726), (17, 1207892), (28, 733363), (34, 603946), (68, 301973), (119, 172556), (179, 114716), (238, 86278), (241, 85204), (358, 57358), (476, 43139), (482, 42602), (716, 28679), (964, 21301), (1253, 16388), (1687, 12172), (2506, 8194), (3043, 6748), (3374, 6086), (4097, 5012)]