20053455

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{4139}}^1$

素因数の和:4183

約数の個数: 32

約数和(自身を含む): 35769600

約数和(自身を除く): 15716145

約数列:

[1, 3, 5, 15, 17, 19, 51, 57, 85, 95, 255, 285, 323, 969, 1615, 4139, 4845, 12417, 20695, 62085, 70363, 78641, 211089, 235923, 351815, 393205, 1055445, 1179615, 1336897, 4010691, 6684485, 20053455]

約数ペア:

[(1, 20053455), (3, 6684485), (5, 4010691), (15, 1336897), (17, 1179615), (19, 1055445), (51, 393205), (57, 351815), (85, 235923), (95, 211089), (255, 78641), (285, 70363), (323, 62085), (969, 20695), (1615, 12417), (4139, 4845)]