20179744

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{179}}^1\times {\mathrm{271}}^1$

素因数の和:473

約数の個数: 48

約数和(自身を含む): 43182720

約数和(自身を除く): 23002976

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 104, 179, 208, 271, 358, 416, 542, 716, 1084, 1432, 2168, 2327, 2864, 3523, 4336, 4654, 5728, 7046, 8672, 9308, 14092, 18616, 28184, 37232, 48509, 56368, 74464, 97018, 112736, 194036, 388072, 630617, 776144, 1261234, 1552288, 2522468, 5044936, 10089872, 20179744]

約数ペア:

[(1, 20179744), (2, 10089872), (4, 5044936), (8, 2522468), (13, 1552288), (16, 1261234), (26, 776144), (32, 630617), (52, 388072), (104, 194036), (179, 112736), (208, 97018), (271, 74464), (358, 56368), (416, 48509), (542, 37232), (716, 28184), (1084, 18616), (1432, 14092), (2168, 9308), (2327, 8672), (2864, 7046), (3523, 5728), (4336, 4654)]