20236672

素因数分解:

$2^7\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{157}}^1$

素因数の和:243

約数の個数: 64

約数和(自身を含む): 43513200

約数和(自身を除く): 23276528

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 53, 64, 76, 106, 128, 152, 157, 212, 304, 314, 424, 608, 628, 848, 1007, 1216, 1256, 1696, 2014, 2432, 2512, 2983, 3392, 4028, 5024, 5966, 6784, 8056, 8321, 10048, 11932, 16112, 16642, 20096, 23864, 32224, 33284, 47728, 64448, 66568, 95456, 128896, 133136, 158099, 190912, 266272, 316198, 381824, 532544, 632396, 1065088, 1264792, 2529584, 5059168, 10118336, 20236672]

約数ペア:

[(1, 20236672), (2, 10118336), (4, 5059168), (8, 2529584), (16, 1264792), (19, 1065088), (32, 632396), (38, 532544), (53, 381824), (64, 316198), (76, 266272), (106, 190912), (128, 158099), (152, 133136), (157, 128896), (212, 95456), (304, 66568), (314, 64448), (424, 47728), (608, 33284), (628, 32224), (848, 23864), (1007, 20096), (1216, 16642), (1256, 16112), (1696, 11932), (2014, 10048), (2432, 8321), (2512, 8056), (2983, 6784), (3392, 5966), (4028, 5024)]