20431104

素因数分解:

$2^8\times 3^1\times {\mathrm{37}}^1\times {\mathrm{719}}^1$

素因数の和:775

約数の個数: 72

約数和(自身を含む): 55923840

約数和(自身を除く): 35492736

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 37, 48, 64, 74, 96, 111, 128, 148, 192, 222, 256, 296, 384, 444, 592, 719, 768, 888, 1184, 1438, 1776, 2157, 2368, 2876, 3552, 4314, 4736, 5752, 7104, 8628, 9472, 11504, 14208, 17256, 23008, 26603, 28416, 34512, 46016, 53206, 69024, 79809, 92032, 106412, 138048, 159618, 184064, 212824, 276096, 319236, 425648, 552192, 638472, 851296, 1276944, 1702592, 2553888, 3405184, 5107776, 6810368, 10215552, 20431104]

約数ペア:

[(1, 20431104), (2, 10215552), (3, 6810368), (4, 5107776), (6, 3405184), (8, 2553888), (12, 1702592), (16, 1276944), (24, 851296), (32, 638472), (37, 552192), (48, 425648), (64, 319236), (74, 276096), (96, 212824), (111, 184064), (128, 159618), (148, 138048), (192, 106412), (222, 92032), (256, 79809), (296, 69024), (384, 53206), (444, 46016), (592, 34512), (719, 28416), (768, 26603), (888, 23008), (1184, 17256), (1438, 14208), (1776, 11504), (2157, 9472), (2368, 8628), (2876, 7104), (3552, 5752), (4314, 4736)]