20446218

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{131}}^1$

素因数の和:204

約数の個数: 96

約数和(自身を含む): 51891840

約数和(自身を除く): 31445622

約数列:

[1, 2, 3, 6, 9, 13, 18, 23, 26, 29, 39, 46, 58, 69, 78, 87, 117, 131, 138, 174, 207, 234, 261, 262, 299, 377, 393, 414, 522, 598, 667, 754, 786, 897, 1131, 1179, 1334, 1703, 1794, 2001, 2262, 2358, 2691, 3013, 3393, 3406, 3799, 4002, 5109, 5382, 6003, 6026, 6786, 7598, 8671, 9039, 10218, 11397, 12006, 15327, 17342, 18078, 22794, 26013, 27117, 30654, 34191, 39169, 49387, 52026, 54234, 68382, 78039, 78338, 87377, 98774, 117507, 148161, 156078, 174754, 235014, 262131, 296322, 352521, 444483, 524262, 705042, 786393, 888966, 1135901, 1572786, 2271802, 3407703, 6815406, 10223109, 20446218]

約数ペア:

[(1, 20446218), (2, 10223109), (3, 6815406), (6, 3407703), (9, 2271802), (13, 1572786), (18, 1135901), (23, 888966), (26, 786393), (29, 705042), (39, 524262), (46, 444483), (58, 352521), (69, 296322), (78, 262131), (87, 235014), (117, 174754), (131, 156078), (138, 148161), (174, 117507), (207, 98774), (234, 87377), (261, 78338), (262, 78039), (299, 68382), (377, 54234), (393, 52026), (414, 49387), (522, 39169), (598, 34191), (667, 30654), (754, 27117), (786, 26013), (897, 22794), (1131, 18078), (1179, 17342), (1334, 15327), (1703, 12006), (1794, 11397), (2001, 10218), (2262, 9039), (2358, 8671), (2691, 7598), (3013, 6786), (3393, 6026), (3406, 6003), (3799, 5382), (4002, 5109)]