20682474928

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{131}}^1\times {\mathrm{239}}^1$

素因数の和:491

約数の個数: 160

約数和(自身を含む): 44547148800

約数和(自身を除く): 23864673872

約数列:

[1, 2, 4, 8, 16, 19, 38, 41, 53, 76, 82, 106, 131, 152, 164, 212, 239, 262, 304, 328, 424, 478, 524, 656, 779, 848, 956, 1007, 1048, 1558, 1912, 2014, 2096, 2173, 2489, 3116, 3824, 4028, 4346, 4541, 4978, 5371, 6232, 6943, 8056, 8692, 9082, 9799, 9956, 10742, 12464, 12667, 13886, 16112, 17384, 18164, 19598, 19912, 21484, 25334, 27772, 31309, 34768, 36328, 39196, 39824, 41287, 42968, 50668, 55544, 62618, 72656, 78392, 82574, 85936, 101336, 102049, 111088, 125236, 131917, 156784, 165148, 186181, 202672, 204098, 240673, 250472, 263834, 284663, 330296, 372362, 408196, 481346, 500944, 519347, 527668, 569326, 594871, 660592, 744724, 816392, 962692, 1038694, 1055336, 1138652, 1189742, 1283669, 1489448, 1632784, 1659377, 1925384, 2077388, 2110672, 2277304, 2379484, 2567338, 2978896, 3318754, 3850768, 4154776, 4554608, 4758968, 5134676, 5408597, 6637508, 8309552, 9517936, 9867593, 10269352, 10817194, 13275016, 19735186, 20538704, 21634388, 24389711, 26550032, 31528163, 39470372, 43268776, 48779422, 63056326, 68034457, 78940744, 86537552, 97558844, 126112652, 136068914, 157881488, 195117688, 252225304, 272137828, 390235376, 504450608, 544275656, 1088551312, 1292654683, 2585309366, 5170618732, 10341237464, 20682474928]

約数ペア:

[(1, 20682474928), (2, 10341237464), (4, 5170618732), (8, 2585309366), (16, 1292654683), (19, 1088551312), (38, 544275656), (41, 504450608), (53, 390235376), (76, 272137828), (82, 252225304), (106, 195117688), (131, 157881488), (152, 136068914), (164, 126112652), (212, 97558844), (239, 86537552), (262, 78940744), (304, 68034457), (328, 63056326), (424, 48779422), (478, 43268776), (524, 39470372), (656, 31528163), (779, 26550032), (848, 24389711), (956, 21634388), (1007, 20538704), (1048, 19735186), (1558, 13275016), (1912, 10817194), (2014, 10269352), (2096, 9867593), (2173, 9517936), (2489, 8309552), (3116, 6637508), (3824, 5408597), (4028, 5134676), (4346, 4758968), (4541, 4554608), (4978, 4154776), (5371, 3850768), (6232, 3318754), (6943, 2978896), (8056, 2567338), (8692, 2379484), (9082, 2277304), (9799, 2110672), (9956, 2077388), (10742, 1925384), (12464, 1659377), (12667, 1632784), (13886, 1489448), (16112, 1283669), (17384, 1189742), (18164, 1138652), (19598, 1055336), (19912, 1038694), (21484, 962692), (25334, 816392), (27772, 744724), (31309, 660592), (34768, 594871), (36328, 569326), (39196, 527668), (39824, 519347), (41287, 500944), (42968, 481346), (50668, 408196), (55544, 372362), (62618, 330296), (72656, 284663), (78392, 263834), (82574, 250472), (85936, 240673), (101336, 204098), (102049, 202672), (111088, 186181), (125236, 165148), (131917, 156784)]