20176960

素因数分解:

$2^6\times 5^1\times {\mathrm{17}}^1\times {\mathrm{3709}}^1$

素因数の和:3743

約数の個数: 56

約数和(自身を含む): 50886360

約数和(自身を除く): 30709400

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 64, 68, 80, 85, 136, 160, 170, 272, 320, 340, 544, 680, 1088, 1360, 2720, 3709, 5440, 7418, 14836, 18545, 29672, 37090, 59344, 63053, 74180, 118688, 126106, 148360, 237376, 252212, 296720, 315265, 504424, 593440, 630530, 1008848, 1186880, 1261060, 2017696, 2522120, 4035392, 5044240, 10088480, 20176960]

約数ペア:

[(1, 20176960), (2, 10088480), (4, 5044240), (5, 4035392), (8, 2522120), (10, 2017696), (16, 1261060), (17, 1186880), (20, 1008848), (32, 630530), (34, 593440), (40, 504424), (64, 315265), (68, 296720), (80, 252212), (85, 237376), (136, 148360), (160, 126106), (170, 118688), (272, 74180), (320, 63053), (340, 59344), (544, 37090), (680, 29672), (1088, 18545), (1360, 14836), (2720, 7418), (3709, 5440)]