20070390016

素因数分解:

$2^8\times {\mathrm{31}}^1\times {\mathrm{191}}^1\times {\mathrm{13241}}^1$

素因数の和:13479

約数の個数: 72

約数和(自身を含む): 41574371328

約数和(自身を除く): 21503981312

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 124, 128, 191, 248, 256, 382, 496, 764, 992, 1528, 1984, 3056, 3968, 5921, 6112, 7936, 11842, 12224, 13241, 23684, 24448, 26482, 47368, 48896, 52964, 94736, 105928, 189472, 211856, 378944, 410471, 423712, 757888, 820942, 847424, 1515776, 1641884, 1694848, 2529031, 3283768, 3389696, 5058062, 6567536, 10116124, 13135072, 20232248, 26270144, 40464496, 52540288, 78399961, 80928992, 105080576, 156799922, 161857984, 313599844, 323715968, 627199688, 647431936, 1254399376, 2508798752, 5017597504, 10035195008, 20070390016]

約数ペア:

[(1, 20070390016), (2, 10035195008), (4, 5017597504), (8, 2508798752), (16, 1254399376), (31, 647431936), (32, 627199688), (62, 323715968), (64, 313599844), (124, 161857984), (128, 156799922), (191, 105080576), (248, 80928992), (256, 78399961), (382, 52540288), (496, 40464496), (764, 26270144), (992, 20232248), (1528, 13135072), (1984, 10116124), (3056, 6567536), (3968, 5058062), (5921, 3389696), (6112, 3283768), (7936, 2529031), (11842, 1694848), (12224, 1641884), (13241, 1515776), (23684, 847424), (24448, 820942), (26482, 757888), (47368, 423712), (48896, 410471), (52964, 378944), (94736, 211856), (105928, 189472)]