20180352920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{93967}}^1$

素因数の和:94057

約数の個数: 128

約数和(自身を含む): 56831846400

約数和(自身を除く): 36651493480

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 52, 56, 59, 65, 70, 91, 104, 118, 130, 140, 182, 236, 260, 280, 295, 364, 413, 455, 472, 520, 590, 728, 767, 826, 910, 1180, 1534, 1652, 1820, 2065, 2360, 3068, 3304, 3640, 3835, 4130, 5369, 6136, 7670, 8260, 10738, 15340, 16520, 21476, 26845, 30680, 42952, 53690, 93967, 107380, 187934, 214760, 375868, 469835, 657769, 751736, 939670, 1221571, 1315538, 1879340, 2443142, 2631076, 3288845, 3758680, 4886284, 5262152, 5544053, 6107855, 6577690, 8550997, 9772568, 11088106, 12215710, 13155380, 17101994, 22176212, 24431420, 26310760, 27720265, 34203988, 38808371, 42754985, 44352424, 48862840, 55440530, 68407976, 72072689, 77616742, 85509970, 110881060, 144145378, 155233484, 171019940, 194041855, 221762120, 288290756, 310466968, 342039880, 360363445, 388083710, 504508823, 576581512, 720726890, 776167420, 1009017646, 1441453780, 1552334840, 2018035292, 2522544115, 2882907560, 4036070584, 5045088230, 10090176460, 20180352920]

約数ペア:

[(1, 20180352920), (2, 10090176460), (4, 5045088230), (5, 4036070584), (7, 2882907560), (8, 2522544115), (10, 2018035292), (13, 1552334840), (14, 1441453780), (20, 1009017646), (26, 776167420), (28, 720726890), (35, 576581512), (40, 504508823), (52, 388083710), (56, 360363445), (59, 342039880), (65, 310466968), (70, 288290756), (91, 221762120), (104, 194041855), (118, 171019940), (130, 155233484), (140, 144145378), (182, 110881060), (236, 85509970), (260, 77616742), (280, 72072689), (295, 68407976), (364, 55440530), (413, 48862840), (455, 44352424), (472, 42754985), (520, 38808371), (590, 34203988), (728, 27720265), (767, 26310760), (826, 24431420), (910, 22176212), (1180, 17101994), (1534, 13155380), (1652, 12215710), (1820, 11088106), (2065, 9772568), (2360, 8550997), (3068, 6577690), (3304, 6107855), (3640, 5544053), (3835, 5262152), (4130, 4886284), (5369, 3758680), (6136, 3288845), (7670, 2631076), (8260, 2443142), (10738, 1879340), (15340, 1315538), (16520, 1221571), (21476, 939670), (26845, 751736), (30680, 657769), (42952, 469835), (53690, 375868), (93967, 214760), (107380, 187934)]