20163768704

素因数分解:

$2^7\times {\mathrm{281}}^1\times {\mathrm{439}}^1\times {\mathrm{1277}}^1$

素因数の和:2011

約数の個数: 64

約数和(自身を含む): 40436431200

約数和(自身を除く): 20272662496

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 281, 439, 562, 878, 1124, 1277, 1756, 2248, 2554, 3512, 4496, 5108, 7024, 8992, 10216, 14048, 17984, 20432, 28096, 35968, 40864, 56192, 81728, 123359, 163456, 246718, 358837, 493436, 560603, 717674, 986872, 1121206, 1435348, 1973744, 2242412, 2870696, 3947488, 4484824, 5741392, 7894976, 8969648, 11482784, 15789952, 17939296, 22965568, 35878592, 45931136, 71757184, 157529443, 315058886, 630117772, 1260235544, 2520471088, 5040942176, 10081884352, 20163768704]

約数ペア:

[(1, 20163768704), (2, 10081884352), (4, 5040942176), (8, 2520471088), (16, 1260235544), (32, 630117772), (64, 315058886), (128, 157529443), (281, 71757184), (439, 45931136), (562, 35878592), (878, 22965568), (1124, 17939296), (1277, 15789952), (1756, 11482784), (2248, 8969648), (2554, 7894976), (3512, 5741392), (4496, 4484824), (5108, 3947488), (7024, 2870696), (8992, 2242412), (10216, 1973744), (14048, 1435348), (17984, 1121206), (20432, 986872), (28096, 717674), (35968, 560603), (40864, 493436), (56192, 358837), (81728, 246718), (123359, 163456)]