20063145

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{101}}^1$

素因数の和:186

約数の個数: 64

約数和(自身を含む): 37013760

約数和(自身を除く): 16950615

約数列:

[1, 3, 5, 15, 17, 19, 41, 51, 57, 85, 95, 101, 123, 205, 255, 285, 303, 323, 505, 615, 697, 779, 969, 1515, 1615, 1717, 1919, 2091, 2337, 3485, 3895, 4141, 4845, 5151, 5757, 8585, 9595, 10455, 11685, 12423, 13243, 20705, 25755, 28785, 32623, 39729, 62115, 66215, 70397, 78679, 97869, 163115, 198645, 211191, 236037, 351985, 393395, 489345, 1055955, 1180185, 1337543, 4012629, 6687715, 20063145]

約数ペア:

[(1, 20063145), (3, 6687715), (5, 4012629), (15, 1337543), (17, 1180185), (19, 1055955), (41, 489345), (51, 393395), (57, 351985), (85, 236037), (95, 211191), (101, 198645), (123, 163115), (205, 97869), (255, 78679), (285, 70397), (303, 66215), (323, 62115), (505, 39729), (615, 32623), (697, 28785), (779, 25755), (969, 20705), (1515, 13243), (1615, 12423), (1717, 11685), (1919, 10455), (2091, 9595), (2337, 8585), (3485, 5757), (3895, 5151), (4141, 4845)]