20171935670

素因数分解:

$2^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1\times {\mathrm{109}}^1\times {\mathrm{4273}}^1$

素因数の和:4521

約数の個数: 64

約数和(自身を含む): 37776689280

約数和(自身を除く): 17604753610

約数列:

[1, 2, 5, 10, 61, 71, 109, 122, 142, 218, 305, 355, 545, 610, 710, 1090, 4273, 4331, 6649, 7739, 8546, 8662, 13298, 15478, 21365, 21655, 33245, 38695, 42730, 43310, 66490, 77390, 260653, 303383, 465757, 472079, 521306, 606766, 931514, 944158, 1303265, 1516915, 2328785, 2360395, 2606530, 3033830, 4657570, 4720790, 18506363, 28411177, 33068747, 37012726, 56822354, 66137494, 92531815, 142055885, 165343735, 185063630, 284111770, 330687470, 2017193567, 4034387134, 10085967835, 20171935670]

約数ペア:

[(1, 20171935670), (2, 10085967835), (5, 4034387134), (10, 2017193567), (61, 330687470), (71, 284111770), (109, 185063630), (122, 165343735), (142, 142055885), (218, 92531815), (305, 66137494), (355, 56822354), (545, 37012726), (610, 33068747), (710, 28411177), (1090, 18506363), (4273, 4720790), (4331, 4657570), (6649, 3033830), (7739, 2606530), (8546, 2360395), (8662, 2328785), (13298, 1516915), (15478, 1303265), (21365, 944158), (21655, 931514), (33245, 606766), (38695, 521306), (42730, 472079), (43310, 465757), (66490, 303383), (77390, 260653)]