20806916732

素因数分解:

$2^2\times 7^1\times {\mathrm{47}}^1\times {\mathrm{67}}^1\times {\mathrm{367}}^1\times {\mathrm{643}}^1$

素因数の和:1135

約数の個数: 96

約数和(自身を含む): 43318345728

約数和(自身を除く): 22511428996

約数列:

[1, 2, 4, 7, 14, 28, 47, 67, 94, 134, 188, 268, 329, 367, 469, 643, 658, 734, 938, 1286, 1316, 1468, 1876, 2569, 2572, 3149, 4501, 5138, 6298, 9002, 10276, 12596, 17249, 18004, 22043, 24589, 30221, 34498, 43081, 44086, 49178, 60442, 68996, 86162, 88172, 98356, 120743, 120884, 172123, 172324, 211547, 235981, 241486, 301567, 344246, 423094, 471962, 482972, 603134, 688492, 846188, 943924, 1155683, 1206268, 1651867, 2024807, 2311366, 3303734, 4049614, 4622732, 6607468, 8089781, 8099228, 11091107, 14173649, 15810727, 16179562, 22182214, 28347298, 31621454, 32359124, 44364428, 56694596, 63242908, 77637749, 110675089, 155275498, 221350178, 310550996, 442700356, 743104169, 1486208338, 2972416676, 5201729183, 10403458366, 20806916732]

約数ペア:

[(1, 20806916732), (2, 10403458366), (4, 5201729183), (7, 2972416676), (14, 1486208338), (28, 743104169), (47, 442700356), (67, 310550996), (94, 221350178), (134, 155275498), (188, 110675089), (268, 77637749), (329, 63242908), (367, 56694596), (469, 44364428), (643, 32359124), (658, 31621454), (734, 28347298), (938, 22182214), (1286, 16179562), (1316, 15810727), (1468, 14173649), (1876, 11091107), (2569, 8099228), (2572, 8089781), (3149, 6607468), (4501, 4622732), (5138, 4049614), (6298, 3303734), (9002, 2311366), (10276, 2024807), (12596, 1651867), (17249, 1206268), (18004, 1155683), (22043, 943924), (24589, 846188), (30221, 688492), (34498, 603134), (43081, 482972), (44086, 471962), (49178, 423094), (60442, 344246), (68996, 301567), (86162, 241486), (88172, 235981), (98356, 211547), (120743, 172324), (120884, 172123)]