20895108

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{7879}}^1$

素因数の和:7916

約数の個数: 48

約数和(自身を含む): 55601280

約数和(自身を除く): 34706172

約数列:

[1, 2, 3, 4, 6, 12, 13, 17, 26, 34, 39, 51, 52, 68, 78, 102, 156, 204, 221, 442, 663, 884, 1326, 2652, 7879, 15758, 23637, 31516, 47274, 94548, 102427, 133943, 204854, 267886, 307281, 401829, 409708, 535772, 614562, 803658, 1229124, 1607316, 1741259, 3482518, 5223777, 6965036, 10447554, 20895108]

約数ペア:

[(1, 20895108), (2, 10447554), (3, 6965036), (4, 5223777), (6, 3482518), (12, 1741259), (13, 1607316), (17, 1229124), (26, 803658), (34, 614562), (39, 535772), (51, 409708), (52, 401829), (68, 307281), (78, 267886), (102, 204854), (156, 133943), (204, 102427), (221, 94548), (442, 47274), (663, 31516), (884, 23637), (1326, 15758), (2652, 7879)]