20449572

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{701}}^1$

素因数の和:749

約数の個数: 96

約数和(自身を含む): 59439744

約数和(自身を除く): 38990172

約数列:

[1, 2, 3, 4, 6, 11, 12, 13, 17, 22, 26, 33, 34, 39, 44, 51, 52, 66, 68, 78, 102, 132, 143, 156, 187, 204, 221, 286, 374, 429, 442, 561, 572, 663, 701, 748, 858, 884, 1122, 1326, 1402, 1716, 2103, 2244, 2431, 2652, 2804, 4206, 4862, 7293, 7711, 8412, 9113, 9724, 11917, 14586, 15422, 18226, 23133, 23834, 27339, 29172, 30844, 35751, 36452, 46266, 47668, 54678, 71502, 92532, 100243, 109356, 131087, 143004, 154921, 200486, 262174, 300729, 309842, 393261, 400972, 464763, 524348, 601458, 619684, 786522, 929526, 1202916, 1573044, 1704131, 1859052, 3408262, 5112393, 6816524, 10224786, 20449572]

約数ペア:

[(1, 20449572), (2, 10224786), (3, 6816524), (4, 5112393), (6, 3408262), (11, 1859052), (12, 1704131), (13, 1573044), (17, 1202916), (22, 929526), (26, 786522), (33, 619684), (34, 601458), (39, 524348), (44, 464763), (51, 400972), (52, 393261), (66, 309842), (68, 300729), (78, 262174), (102, 200486), (132, 154921), (143, 143004), (156, 131087), (187, 109356), (204, 100243), (221, 92532), (286, 71502), (374, 54678), (429, 47668), (442, 46266), (561, 36452), (572, 35751), (663, 30844), (701, 29172), (748, 27339), (858, 23834), (884, 23133), (1122, 18226), (1326, 15422), (1402, 14586), (1716, 11917), (2103, 9724), (2244, 9113), (2431, 8412), (2652, 7711), (2804, 7293), (4206, 4862)]