20648133044

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{1987}}^1\times {\mathrm{33739}}^1$

素因数の和:35748

約数の個数: 48

約数和(自身を含む): 45074480640

約数和(自身を除く): 24426347596

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 154, 308, 1987, 3974, 7948, 13909, 21857, 27818, 33739, 43714, 55636, 67478, 87428, 134956, 152999, 236173, 305998, 371129, 472346, 611996, 742258, 944692, 1484516, 2597903, 5195806, 10391612, 67039393, 134078786, 268157572, 469275751, 737433323, 938551502, 1474866646, 1877103004, 2949733292, 5162033261, 10324066522, 20648133044]

約数ペア:

[(1, 20648133044), (2, 10324066522), (4, 5162033261), (7, 2949733292), (11, 1877103004), (14, 1474866646), (22, 938551502), (28, 737433323), (44, 469275751), (77, 268157572), (154, 134078786), (308, 67039393), (1987, 10391612), (3974, 5195806), (7948, 2597903), (13909, 1484516), (21857, 944692), (27818, 742258), (33739, 611996), (43714, 472346), (55636, 371129), (67478, 305998), (87428, 236173), (134956, 152999)]