20086515

素因数分解:

$3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{191}}^1$

素因数の和:265

約数の個数: 64

約数和(自身を含む): 38707200

約数和(自身を除く): 18620685

約数列:

[1, 3, 5, 9, 15, 19, 27, 41, 45, 57, 95, 123, 135, 171, 191, 205, 285, 369, 513, 573, 615, 779, 855, 955, 1107, 1719, 1845, 2337, 2565, 2865, 3629, 3895, 5157, 5535, 7011, 7831, 8595, 10887, 11685, 18145, 21033, 23493, 25785, 32661, 35055, 39155, 54435, 70479, 97983, 105165, 117465, 148789, 163305, 211437, 352395, 446367, 489915, 743945, 1057185, 1339101, 2231835, 4017303, 6695505, 20086515]

約数ペア:

[(1, 20086515), (3, 6695505), (5, 4017303), (9, 2231835), (15, 1339101), (19, 1057185), (27, 743945), (41, 489915), (45, 446367), (57, 352395), (95, 211437), (123, 163305), (135, 148789), (171, 117465), (191, 105165), (205, 97983), (285, 70479), (369, 54435), (513, 39155), (573, 35055), (615, 32661), (779, 25785), (855, 23493), (955, 21033), (1107, 18145), (1719, 11685), (1845, 10887), (2337, 8595), (2565, 7831), (2865, 7011), (3629, 5535), (3895, 5157)]