20235456

素因数分解:

$2^6\times 3^2\times {\mathrm{19}}^1\times {\mathrm{43}}^2$

素因数の和:123

約数の個数: 126

約数和(自身を含む): 62506860

約数和(自身を除く): 42271404

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 19, 24, 32, 36, 38, 43, 48, 57, 64, 72, 76, 86, 96, 114, 129, 144, 152, 171, 172, 192, 228, 258, 288, 304, 342, 344, 387, 456, 516, 576, 608, 684, 688, 774, 817, 912, 1032, 1216, 1368, 1376, 1548, 1634, 1824, 1849, 2064, 2451, 2736, 2752, 3096, 3268, 3648, 3698, 4128, 4902, 5472, 5547, 6192, 6536, 7353, 7396, 8256, 9804, 10944, 11094, 12384, 13072, 14706, 14792, 16641, 19608, 22188, 24768, 26144, 29412, 29584, 33282, 35131, 39216, 44376, 52288, 58824, 59168, 66564, 70262, 78432, 88752, 105393, 117648, 118336, 133128, 140524, 156864, 177504, 210786, 235296, 266256, 281048, 316179, 355008, 421572, 470592, 532512, 562096, 632358, 843144, 1065024, 1124192, 1264716, 1686288, 2248384, 2529432, 3372576, 5058864, 6745152, 10117728, 20235456]

約数ペア:

[(1, 20235456), (2, 10117728), (3, 6745152), (4, 5058864), (6, 3372576), (8, 2529432), (9, 2248384), (12, 1686288), (16, 1264716), (18, 1124192), (19, 1065024), (24, 843144), (32, 632358), (36, 562096), (38, 532512), (43, 470592), (48, 421572), (57, 355008), (64, 316179), (72, 281048), (76, 266256), (86, 235296), (96, 210786), (114, 177504), (129, 156864), (144, 140524), (152, 133128), (171, 118336), (172, 117648), (192, 105393), (228, 88752), (258, 78432), (288, 70262), (304, 66564), (342, 59168), (344, 58824), (387, 52288), (456, 44376), (516, 39216), (576, 35131), (608, 33282), (684, 29584), (688, 29412), (774, 26144), (817, 24768), (912, 22188), (1032, 19608), (1216, 16641), (1368, 14792), (1376, 14706), (1548, 13072), (1634, 12384), (1824, 11094), (1849, 10944), (2064, 9804), (2451, 8256), (2736, 7396), (2752, 7353), (3096, 6536), (3268, 6192), (3648, 5547), (3698, 5472), (4128, 4902)]