20185056

素因数分解:

$2^5\times 3^2\times {\mathrm{109}}^1\times {\mathrm{643}}^1$

素因数の和:768

約数の個数: 72

約数和(自身を含む): 58017960

約数和(自身を除く): 37832904

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 72, 96, 109, 144, 218, 288, 327, 436, 643, 654, 872, 981, 1286, 1308, 1744, 1929, 1962, 2572, 2616, 3488, 3858, 3924, 5144, 5232, 5787, 7716, 7848, 10288, 10464, 11574, 15432, 15696, 20576, 23148, 30864, 31392, 46296, 61728, 70087, 92592, 140174, 185184, 210261, 280348, 420522, 560696, 630783, 841044, 1121392, 1261566, 1682088, 2242784, 2523132, 3364176, 5046264, 6728352, 10092528, 20185056]

約数ペア:

[(1, 20185056), (2, 10092528), (3, 6728352), (4, 5046264), (6, 3364176), (8, 2523132), (9, 2242784), (12, 1682088), (16, 1261566), (18, 1121392), (24, 841044), (32, 630783), (36, 560696), (48, 420522), (72, 280348), (96, 210261), (109, 185184), (144, 140174), (218, 92592), (288, 70087), (327, 61728), (436, 46296), (643, 31392), (654, 30864), (872, 23148), (981, 20576), (1286, 15696), (1308, 15432), (1744, 11574), (1929, 10464), (1962, 10288), (2572, 7848), (2616, 7716), (3488, 5787), (3858, 5232), (3924, 5144)]