20996476802

素因数分解:

$2^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{167}}^1\times {\mathrm{251}}^1\times {\mathrm{967}}^1$

素因数の和:1431

約数の個数: 64

約数和(自身を含む): 37374898176

約数和(自身を除く): 16378421374

約数列:

[1, 2, 7, 14, 37, 74, 167, 251, 259, 334, 502, 518, 967, 1169, 1757, 1934, 2338, 3514, 6179, 6769, 9287, 12358, 13538, 18574, 35779, 41917, 43253, 65009, 71558, 83834, 86506, 130018, 161489, 242717, 250453, 293419, 322978, 485434, 500906, 586838, 1130423, 1550929, 1699019, 2260846, 3101858, 3398038, 5975093, 8980529, 10856503, 11950186, 17961058, 21713006, 40533739, 41825651, 62863703, 81067478, 83651302, 125727406, 283736173, 567472346, 1499748343, 2999496686, 10498238401, 20996476802]

約数ペア:

[(1, 20996476802), (2, 10498238401), (7, 2999496686), (14, 1499748343), (37, 567472346), (74, 283736173), (167, 125727406), (251, 83651302), (259, 81067478), (334, 62863703), (502, 41825651), (518, 40533739), (967, 21713006), (1169, 17961058), (1757, 11950186), (1934, 10856503), (2338, 8980529), (3514, 5975093), (6179, 3398038), (6769, 3101858), (9287, 2260846), (12358, 1699019), (13538, 1550929), (18574, 1130423), (35779, 586838), (41917, 500906), (43253, 485434), (65009, 322978), (71558, 293419), (83834, 250453), (86506, 242717), (130018, 161489)]