20170220944

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{32413}}^1$

素因数の和:32552

約数の個数: 80

約数和(自身を含む): 43408828800

約数和(自身を除く): 23238607856

約数列:

[1, 2, 4, 8, 16, 19, 23, 38, 46, 76, 89, 92, 152, 178, 184, 304, 356, 368, 437, 712, 874, 1424, 1691, 1748, 2047, 3382, 3496, 4094, 6764, 6992, 8188, 13528, 16376, 27056, 32413, 32752, 38893, 64826, 77786, 129652, 155572, 259304, 311144, 518608, 615847, 622288, 745499, 1231694, 1490998, 2463388, 2884757, 2981996, 4926776, 5769514, 5963992, 9853552, 11539028, 11927984, 14164481, 23078056, 28328962, 46156112, 54810383, 56657924, 66349411, 109620766, 113315848, 132698822, 219241532, 226631696, 265397644, 438483064, 530795288, 876966128, 1061590576, 1260638809, 2521277618, 5042555236, 10085110472, 20170220944]

約数ペア:

[(1, 20170220944), (2, 10085110472), (4, 5042555236), (8, 2521277618), (16, 1260638809), (19, 1061590576), (23, 876966128), (38, 530795288), (46, 438483064), (76, 265397644), (89, 226631696), (92, 219241532), (152, 132698822), (178, 113315848), (184, 109620766), (304, 66349411), (356, 56657924), (368, 54810383), (437, 46156112), (712, 28328962), (874, 23078056), (1424, 14164481), (1691, 11927984), (1748, 11539028), (2047, 9853552), (3382, 5963992), (3496, 5769514), (4094, 4926776), (6764, 2981996), (6992, 2884757), (8188, 2463388), (13528, 1490998), (16376, 1231694), (27056, 745499), (32413, 622288), (32752, 615847), (38893, 518608), (64826, 311144), (77786, 259304), (129652, 155572)]