20119486528

素因数分解:

$2^6\times {\mathrm{61}}^1\times {\mathrm{239}}^1\times {\mathrm{21563}}^1$

素因数の和:21875

約数の個数: 56

約数和(自身を含む): 40750784640

約数和(自身を除く): 20631298112

約数列:

[1, 2, 4, 8, 16, 32, 61, 64, 122, 239, 244, 478, 488, 956, 976, 1912, 1952, 3824, 3904, 7648, 14579, 15296, 21563, 29158, 43126, 58316, 86252, 116632, 172504, 233264, 345008, 466528, 690016, 933056, 1315343, 1380032, 2630686, 5153557, 5261372, 10307114, 10522744, 20614228, 21045488, 41228456, 42090976, 82456912, 84181952, 164913824, 314366977, 329827648, 628733954, 1257467908, 2514935816, 5029871632, 10059743264, 20119486528]

約数ペア:

[(1, 20119486528), (2, 10059743264), (4, 5029871632), (8, 2514935816), (16, 1257467908), (32, 628733954), (61, 329827648), (64, 314366977), (122, 164913824), (239, 84181952), (244, 82456912), (478, 42090976), (488, 41228456), (956, 21045488), (976, 20614228), (1912, 10522744), (1952, 10307114), (3824, 5261372), (3904, 5153557), (7648, 2630686), (14579, 1380032), (15296, 1315343), (21563, 933056), (29158, 690016), (43126, 466528), (58316, 345008), (86252, 233264), (116632, 172504)]