20119020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{239}}^1$

素因数の和:335

約数の個数: 96

約数和(自身を含む): 59996160

約数和(自身を除く): 39877140

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 23, 30, 46, 60, 61, 69, 92, 115, 122, 138, 183, 230, 239, 244, 276, 305, 345, 366, 460, 478, 610, 690, 717, 732, 915, 956, 1195, 1220, 1380, 1403, 1434, 1830, 2390, 2806, 2868, 3585, 3660, 4209, 4780, 5497, 5612, 7015, 7170, 8418, 10994, 14030, 14340, 14579, 16491, 16836, 21045, 21988, 27485, 28060, 29158, 32982, 42090, 43737, 54970, 58316, 65964, 72895, 82455, 84180, 87474, 109940, 145790, 164910, 174948, 218685, 291580, 329820, 335317, 437370, 670634, 874740, 1005951, 1341268, 1676585, 2011902, 3353170, 4023804, 5029755, 6706340, 10059510, 20119020]

約数ペア:

[(1, 20119020), (2, 10059510), (3, 6706340), (4, 5029755), (5, 4023804), (6, 3353170), (10, 2011902), (12, 1676585), (15, 1341268), (20, 1005951), (23, 874740), (30, 670634), (46, 437370), (60, 335317), (61, 329820), (69, 291580), (92, 218685), (115, 174948), (122, 164910), (138, 145790), (183, 109940), (230, 87474), (239, 84180), (244, 82455), (276, 72895), (305, 65964), (345, 58316), (366, 54970), (460, 43737), (478, 42090), (610, 32982), (690, 29158), (717, 28060), (732, 27485), (915, 21988), (956, 21045), (1195, 16836), (1220, 16491), (1380, 14579), (1403, 14340), (1434, 14030), (1830, 10994), (2390, 8418), (2806, 7170), (2868, 7015), (3585, 5612), (3660, 5497), (4209, 4780)]