20641698

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{281}}^1$

素因数の和:360

約数の個数: 96

約数和(自身を含む): 57013632

約数和(自身を除く): 36371934

約数列:

[1, 2, 3, 6, 7, 9, 11, 14, 18, 21, 22, 33, 42, 53, 63, 66, 77, 99, 106, 126, 154, 159, 198, 231, 281, 318, 371, 462, 477, 562, 583, 693, 742, 843, 954, 1113, 1166, 1386, 1686, 1749, 1967, 2226, 2529, 3091, 3339, 3498, 3934, 4081, 5058, 5247, 5901, 6182, 6678, 8162, 9273, 10494, 11802, 12243, 14893, 17703, 18546, 21637, 24486, 27819, 29786, 35406, 36729, 43274, 44679, 55638, 64911, 73458, 89358, 104251, 129822, 134037, 163823, 194733, 208502, 268074, 312753, 327646, 389466, 491469, 625506, 938259, 982938, 1146761, 1474407, 1876518, 2293522, 2948814, 3440283, 6880566, 10320849, 20641698]

約数ペア:

[(1, 20641698), (2, 10320849), (3, 6880566), (6, 3440283), (7, 2948814), (9, 2293522), (11, 1876518), (14, 1474407), (18, 1146761), (21, 982938), (22, 938259), (33, 625506), (42, 491469), (53, 389466), (63, 327646), (66, 312753), (77, 268074), (99, 208502), (106, 194733), (126, 163823), (154, 134037), (159, 129822), (198, 104251), (231, 89358), (281, 73458), (318, 64911), (371, 55638), (462, 44679), (477, 43274), (562, 36729), (583, 35406), (693, 29786), (742, 27819), (843, 24486), (954, 21637), (1113, 18546), (1166, 17703), (1386, 14893), (1686, 12243), (1749, 11802), (1967, 10494), (2226, 9273), (2529, 8162), (3091, 6678), (3339, 6182), (3498, 5901), (3934, 5247), (4081, 5058)]