20101778536

素因数分解:

$2^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{1907}}^1\times {\mathrm{9907}}^1$

素因数の和:11846

約数の個数: 64

約数和(自身を含む): 45370713600

約数和(自身を除く): 25268935064

約数列:

[1, 2, 4, 7, 8, 14, 19, 28, 38, 56, 76, 133, 152, 266, 532, 1064, 1907, 3814, 7628, 9907, 13349, 15256, 19814, 26698, 36233, 39628, 53396, 69349, 72466, 79256, 106792, 138698, 144932, 188233, 253631, 277396, 289864, 376466, 507262, 554792, 752932, 1014524, 1317631, 1505864, 2029048, 2635262, 5270524, 10541048, 18892649, 37785298, 75570596, 132248543, 151141192, 264497086, 358960331, 528994172, 717920662, 1057988344, 1435841324, 2512722317, 2871682648, 5025444634, 10050889268, 20101778536]

約数ペア:

[(1, 20101778536), (2, 10050889268), (4, 5025444634), (7, 2871682648), (8, 2512722317), (14, 1435841324), (19, 1057988344), (28, 717920662), (38, 528994172), (56, 358960331), (76, 264497086), (133, 151141192), (152, 132248543), (266, 75570596), (532, 37785298), (1064, 18892649), (1907, 10541048), (3814, 5270524), (7628, 2635262), (9907, 2029048), (13349, 1505864), (15256, 1317631), (19814, 1014524), (26698, 752932), (36233, 554792), (39628, 507262), (53396, 376466), (69349, 289864), (72466, 277396), (79256, 253631), (106792, 188233), (138698, 144932)]