20199458175

素因数分解:

$3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{668303}}^1$

素因数の和:668360

約数の個数: 48

約数和(自身を含む): 37125623808

約数和(自身を除く): 16926165633

約数列:

[1, 3, 5, 13, 15, 25, 31, 39, 65, 75, 93, 155, 195, 325, 403, 465, 775, 975, 1209, 2015, 2325, 6045, 10075, 30225, 668303, 2004909, 3341515, 8687939, 10024545, 16707575, 20717393, 26063817, 43439695, 50122725, 62152179, 103586965, 130319085, 217198475, 269326109, 310760895, 517934825, 651595425, 807978327, 1346630545, 1553804475, 4039891635, 6733152725, 20199458175]

約数ペア:

[(1, 20199458175), (3, 6733152725), (5, 4039891635), (13, 1553804475), (15, 1346630545), (25, 807978327), (31, 651595425), (39, 517934825), (65, 310760895), (75, 269326109), (93, 217198475), (155, 130319085), (195, 103586965), (325, 62152179), (403, 50122725), (465, 43439695), (775, 26063817), (975, 20717393), (1209, 16707575), (2015, 10024545), (2325, 8687939), (6045, 3341515), (10075, 2004909), (30225, 668303)]