20590914981

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{139}}^1\times {\mathrm{541}}^1$

素因数の和:779

約数の個数: 128

約数和(自身を含む): 36713779200

約数和(自身を除く): 16122864219

約数列:

[1, 3, 7, 13, 17, 21, 39, 51, 59, 91, 119, 139, 177, 221, 273, 357, 413, 417, 541, 663, 767, 973, 1003, 1239, 1547, 1623, 1807, 2301, 2363, 2919, 3009, 3787, 4641, 5369, 5421, 7021, 7033, 7089, 8201, 9197, 11361, 12649, 13039, 16107, 16541, 21063, 21099, 24603, 27591, 30719, 31919, 37947, 39117, 49231, 49623, 57407, 64379, 75199, 91273, 92157, 95757, 106613, 119561, 139417, 147693, 172221, 193137, 215033, 223433, 225597, 273819, 319839, 358683, 414947, 418251, 526393, 542623, 645099, 670299, 746291, 836927, 975919, 977587, 1244841, 1278383, 1579179, 1627869, 1812421, 2238873, 2510781, 2904629, 2927757, 2932761, 3798361, 3835149, 4436741, 5437263, 6843109, 7054099, 8713887, 8948681, 11395083, 12686947, 13310223, 16618979, 20529327, 21162297, 26846043, 31057187, 38060841, 49378693, 49856937, 57677633, 75424597, 93171561, 116332853, 148136079, 173032899, 226273791, 348998559, 403743431, 527972179, 980519761, 1211230293, 1583916537, 2941559283, 6863638327, 20590914981]

約数ペア:

[(1, 20590914981), (3, 6863638327), (7, 2941559283), (13, 1583916537), (17, 1211230293), (21, 980519761), (39, 527972179), (51, 403743431), (59, 348998559), (91, 226273791), (119, 173032899), (139, 148136079), (177, 116332853), (221, 93171561), (273, 75424597), (357, 57677633), (413, 49856937), (417, 49378693), (541, 38060841), (663, 31057187), (767, 26846043), (973, 21162297), (1003, 20529327), (1239, 16618979), (1547, 13310223), (1623, 12686947), (1807, 11395083), (2301, 8948681), (2363, 8713887), (2919, 7054099), (3009, 6843109), (3787, 5437263), (4641, 4436741), (5369, 3835149), (5421, 3798361), (7021, 2932761), (7033, 2927757), (7089, 2904629), (8201, 2510781), (9197, 2238873), (11361, 1812421), (12649, 1627869), (13039, 1579179), (16107, 1278383), (16541, 1244841), (21063, 977587), (21099, 975919), (24603, 836927), (27591, 746291), (30719, 670299), (31919, 645099), (37947, 542623), (39117, 526393), (49231, 418251), (49623, 414947), (57407, 358683), (64379, 319839), (75199, 273819), (91273, 225597), (92157, 223433), (95757, 215033), (106613, 193137), (119561, 172221), (139417, 147693)]