20153949712

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{563}}^1\times {\mathrm{2917}}^1$

素因数の和:3560

約数の個数: 80

約数和(自身を含む): 42855382080

約数和(自身を除く): 22701432368

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 59, 104, 118, 208, 236, 472, 563, 767, 944, 1126, 1534, 2252, 2917, 3068, 4504, 5834, 6136, 7319, 9008, 11668, 12272, 14638, 23336, 29276, 33217, 37921, 46672, 58552, 66434, 75842, 117104, 132868, 151684, 172103, 265736, 303368, 344206, 431821, 531472, 606736, 688412, 863642, 1376824, 1642271, 1727284, 2237339, 2753648, 3284542, 3454568, 4474678, 6569084, 6909136, 8949356, 13138168, 17898712, 21349523, 26276336, 35797424, 42699046, 85398092, 96893989, 170796184, 193787978, 341592368, 387575956, 775151912, 1259621857, 1550303824, 2519243714, 5038487428, 10076974856, 20153949712]

約数ペア:

[(1, 20153949712), (2, 10076974856), (4, 5038487428), (8, 2519243714), (13, 1550303824), (16, 1259621857), (26, 775151912), (52, 387575956), (59, 341592368), (104, 193787978), (118, 170796184), (208, 96893989), (236, 85398092), (472, 42699046), (563, 35797424), (767, 26276336), (944, 21349523), (1126, 17898712), (1534, 13138168), (2252, 8949356), (2917, 6909136), (3068, 6569084), (4504, 4474678), (5834, 3454568), (6136, 3284542), (7319, 2753648), (9008, 2237339), (11668, 1727284), (12272, 1642271), (14638, 1376824), (23336, 863642), (29276, 688412), (33217, 606736), (37921, 531472), (46672, 431821), (58552, 344206), (66434, 303368), (75842, 265736), (117104, 172103), (132868, 151684)]