20201996318

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{83}}^1\times {\mathrm{283}}^1\times {\mathrm{2671}}^1$

素因数の和:3069

約数の個数: 64

約数和(自身を含む): 36716101632

約数和(自身を除く): 16514105314

約数列:

[1, 2, 7, 14, 23, 46, 83, 161, 166, 283, 322, 566, 581, 1162, 1909, 1981, 2671, 3818, 3962, 5342, 6509, 13018, 13363, 18697, 23489, 26726, 37394, 45563, 46978, 61433, 91126, 122866, 164423, 221693, 328846, 430031, 443386, 540247, 755893, 860062, 1080494, 1511786, 1551851, 3103702, 3781729, 5098939, 5291251, 7563458, 10197878, 10582502, 17385539, 34771078, 35692573, 62739119, 71385146, 121698773, 125478238, 243397546, 439173833, 878347666, 1442999737, 2885999474, 10100998159, 20201996318]

約数ペア:

[(1, 20201996318), (2, 10100998159), (7, 2885999474), (14, 1442999737), (23, 878347666), (46, 439173833), (83, 243397546), (161, 125478238), (166, 121698773), (283, 71385146), (322, 62739119), (566, 35692573), (581, 34771078), (1162, 17385539), (1909, 10582502), (1981, 10197878), (2671, 7563458), (3818, 5291251), (3962, 5098939), (5342, 3781729), (6509, 3103702), (13018, 1551851), (13363, 1511786), (18697, 1080494), (23489, 860062), (26726, 755893), (37394, 540247), (45563, 443386), (46978, 430031), (61433, 328846), (91126, 221693), (122866, 164423)]