20173421528

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{191}}^1\times {\mathrm{821}}^1\times {\mathrm{1237}}^1$

素因数の和:2268

約数の個数: 64

約数和(自身を含む): 41031083520

約数和(自身を除く): 20857661992

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 191, 382, 764, 821, 1237, 1528, 1642, 2474, 2483, 3284, 4948, 4966, 6568, 9896, 9932, 10673, 16081, 19864, 21346, 32162, 42692, 64324, 85384, 128648, 156811, 236267, 313622, 472534, 627244, 945068, 1015577, 1254488, 1890136, 2031154, 2038543, 3071471, 4062308, 4077086, 6142942, 8124616, 8154172, 12285884, 13202501, 16308344, 24571768, 26405002, 52810004, 105620008, 193975207, 387950414, 775900828, 1551801656, 2521677691, 5043355382, 10086710764, 20173421528]

約数ペア:

[(1, 20173421528), (2, 10086710764), (4, 5043355382), (8, 2521677691), (13, 1551801656), (26, 775900828), (52, 387950414), (104, 193975207), (191, 105620008), (382, 52810004), (764, 26405002), (821, 24571768), (1237, 16308344), (1528, 13202501), (1642, 12285884), (2474, 8154172), (2483, 8124616), (3284, 6142942), (4948, 4077086), (4966, 4062308), (6568, 3071471), (9896, 2038543), (9932, 2031154), (10673, 1890136), (16081, 1254488), (19864, 1015577), (21346, 945068), (32162, 627244), (42692, 472534), (64324, 313622), (85384, 236267), (128648, 156811)]