20658753856

素因数分解:

$2^6\times {\mathrm{13}}^1\times {\mathrm{61}}^2\times {\mathrm{6673}}^1$

素因数の和:6820

約数の個数: 84

約数和(自身を含む): 44890485276

約数和(自身を除く): 24231731420

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 61, 64, 104, 122, 208, 244, 416, 488, 793, 832, 976, 1586, 1952, 3172, 3721, 3904, 6344, 6673, 7442, 12688, 13346, 14884, 25376, 26692, 29768, 48373, 50752, 53384, 59536, 86749, 96746, 106768, 119072, 173498, 193492, 213536, 238144, 346996, 386984, 407053, 427072, 693992, 773968, 814106, 1387984, 1547936, 1628212, 2775968, 3095872, 3256424, 5291689, 5551936, 6512848, 10583378, 13025696, 21166756, 24830233, 26051392, 42333512, 49660466, 84667024, 99320932, 169334048, 198641864, 322793029, 338668096, 397283728, 645586058, 794567456, 1291172116, 1589134912, 2582344232, 5164688464, 10329376928, 20658753856]

約数ペア:

[(1, 20658753856), (2, 10329376928), (4, 5164688464), (8, 2582344232), (13, 1589134912), (16, 1291172116), (26, 794567456), (32, 645586058), (52, 397283728), (61, 338668096), (64, 322793029), (104, 198641864), (122, 169334048), (208, 99320932), (244, 84667024), (416, 49660466), (488, 42333512), (793, 26051392), (832, 24830233), (976, 21166756), (1586, 13025696), (1952, 10583378), (3172, 6512848), (3721, 5551936), (3904, 5291689), (6344, 3256424), (6673, 3095872), (7442, 2775968), (12688, 1628212), (13346, 1547936), (14884, 1387984), (25376, 814106), (26692, 773968), (29768, 693992), (48373, 427072), (50752, 407053), (53384, 386984), (59536, 346996), (86749, 238144), (96746, 213536), (106768, 193492), (119072, 173498)]