20784433944

素因数分解:

$2^3\times 3^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{680297}}^1$

素因数の和:680392

約数の個数: 64

約数和(自身を含む): 55512316800

約数和(自身を除く): 34727882856

約数列:

[1, 2, 3, 4, 6, 8, 12, 19, 24, 38, 57, 67, 76, 114, 134, 152, 201, 228, 268, 402, 456, 536, 804, 1273, 1608, 2546, 3819, 5092, 7638, 10184, 15276, 30552, 680297, 1360594, 2040891, 2721188, 4081782, 5442376, 8163564, 12925643, 16327128, 25851286, 38776929, 45579899, 51702572, 77553858, 91159798, 103405144, 136739697, 155107716, 182319596, 273479394, 310215432, 364639192, 546958788, 866018081, 1093917576, 1732036162, 2598054243, 3464072324, 5196108486, 6928144648, 10392216972, 20784433944]

約数ペア:

[(1, 20784433944), (2, 10392216972), (3, 6928144648), (4, 5196108486), (6, 3464072324), (8, 2598054243), (12, 1732036162), (19, 1093917576), (24, 866018081), (38, 546958788), (57, 364639192), (67, 310215432), (76, 273479394), (114, 182319596), (134, 155107716), (152, 136739697), (201, 103405144), (228, 91159798), (268, 77553858), (402, 51702572), (456, 45579899), (536, 38776929), (804, 25851286), (1273, 16327128), (1608, 12925643), (2546, 8163564), (3819, 5442376), (5092, 4081782), (7638, 2721188), (10184, 2040891), (15276, 1360594), (30552, 680297)]