20446965

素因数分解:

$3^3\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{281}}^1$

素因数の和:320

約数の個数: 96

約数和(自身を含む): 46293120

約数和(自身を除く): 25846155

約数列:

[1, 3, 5, 7, 9, 11, 15, 21, 27, 33, 35, 45, 49, 55, 63, 77, 99, 105, 135, 147, 165, 189, 231, 245, 281, 297, 315, 385, 441, 495, 539, 693, 735, 843, 945, 1155, 1323, 1405, 1485, 1617, 1967, 2079, 2205, 2529, 2695, 3091, 3465, 4215, 4851, 5901, 6615, 7587, 8085, 9273, 9835, 10395, 12645, 13769, 14553, 15455, 17703, 21637, 24255, 27819, 29505, 37935, 41307, 46365, 53109, 64911, 68845, 72765, 83457, 88515, 108185, 123921, 139095, 151459, 194733, 206535, 265545, 324555, 371763, 417285, 454377, 584199, 619605, 757295, 973665, 1363131, 1858815, 2271885, 2920995, 4089393, 6815655, 20446965]

約数ペア:

[(1, 20446965), (3, 6815655), (5, 4089393), (7, 2920995), (9, 2271885), (11, 1858815), (15, 1363131), (21, 973665), (27, 757295), (33, 619605), (35, 584199), (45, 454377), (49, 417285), (55, 371763), (63, 324555), (77, 265545), (99, 206535), (105, 194733), (135, 151459), (147, 139095), (165, 123921), (189, 108185), (231, 88515), (245, 83457), (281, 72765), (297, 68845), (315, 64911), (385, 53109), (441, 46365), (495, 41307), (539, 37935), (693, 29505), (735, 27819), (843, 24255), (945, 21637), (1155, 17703), (1323, 15455), (1405, 14553), (1485, 13769), (1617, 12645), (1967, 10395), (2079, 9835), (2205, 9273), (2529, 8085), (2695, 7587), (3091, 6615), (3465, 5901), (4215, 4851)]