20921241616

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{83}}^1\times {\mathrm{1432177}}^1$

素因数の和:1432279

約数の個数: 40

約数和(自身を含む): 44752698144

約数和(自身を除く): 23831456528

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 83, 88, 166, 176, 332, 664, 913, 1328, 1826, 3652, 7304, 14608, 1432177, 2864354, 5728708, 11457416, 15753947, 22914832, 31507894, 63015788, 118870691, 126031576, 237741382, 252063152, 475482764, 950965528, 1307577601, 1901931056, 2615155202, 5230310404, 10460620808, 20921241616]

約数ペア:

[(1, 20921241616), (2, 10460620808), (4, 5230310404), (8, 2615155202), (11, 1901931056), (16, 1307577601), (22, 950965528), (44, 475482764), (83, 252063152), (88, 237741382), (166, 126031576), (176, 118870691), (332, 63015788), (664, 31507894), (913, 22914832), (1328, 15753947), (1826, 11457416), (3652, 5728708), (7304, 2864354), (14608, 1432177)]