20147803816

素因数分解:

$2^3\times 7^1\times {\mathrm{337}}^1\times {\mathrm{367}}^1\times {\mathrm{2909}}^1$

素因数の和:3626

約数の個数: 64

約数和(自身を含む): 43434892800

約数和(自身を除く): 23287088984

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 337, 367, 674, 734, 1348, 1468, 2359, 2569, 2696, 2909, 2936, 4718, 5138, 5818, 9436, 10276, 11636, 18872, 20363, 20552, 23272, 40726, 81452, 123679, 162904, 247358, 494716, 865753, 980333, 989432, 1067603, 1731506, 1960666, 2135206, 3463012, 3921332, 4270412, 6862331, 6926024, 7473221, 7842664, 8540824, 13724662, 14946442, 27449324, 29892884, 54898648, 59785768, 359782211, 719564422, 1439128844, 2518475477, 2878257688, 5036950954, 10073901908, 20147803816]

約数ペア:

[(1, 20147803816), (2, 10073901908), (4, 5036950954), (7, 2878257688), (8, 2518475477), (14, 1439128844), (28, 719564422), (56, 359782211), (337, 59785768), (367, 54898648), (674, 29892884), (734, 27449324), (1348, 14946442), (1468, 13724662), (2359, 8540824), (2569, 7842664), (2696, 7473221), (2909, 6926024), (2936, 6862331), (4718, 4270412), (5138, 3921332), (5818, 3463012), (9436, 2135206), (10276, 1960666), (11636, 1731506), (18872, 1067603), (20363, 989432), (20552, 980333), (23272, 865753), (40726, 494716), (81452, 247358), (123679, 162904)]