20597580

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{2791}}^1$

素因数の和:2847

約数の個数: 72

約数和(自身を含む): 64026144

約数和(自身を除く): 43428564

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 41, 45, 60, 82, 90, 123, 164, 180, 205, 246, 369, 410, 492, 615, 738, 820, 1230, 1476, 1845, 2460, 2791, 3690, 5582, 7380, 8373, 11164, 13955, 16746, 25119, 27910, 33492, 41865, 50238, 55820, 83730, 100476, 114431, 125595, 167460, 228862, 251190, 343293, 457724, 502380, 572155, 686586, 1029879, 1144310, 1373172, 1716465, 2059758, 2288620, 3432930, 4119516, 5149395, 6865860, 10298790, 20597580]

約数ペア:

[(1, 20597580), (2, 10298790), (3, 6865860), (4, 5149395), (5, 4119516), (6, 3432930), (9, 2288620), (10, 2059758), (12, 1716465), (15, 1373172), (18, 1144310), (20, 1029879), (30, 686586), (36, 572155), (41, 502380), (45, 457724), (60, 343293), (82, 251190), (90, 228862), (123, 167460), (164, 125595), (180, 114431), (205, 100476), (246, 83730), (369, 55820), (410, 50238), (492, 41865), (615, 33492), (738, 27910), (820, 25119), (1230, 16746), (1476, 13955), (1845, 11164), (2460, 8373), (2791, 7380), (3690, 5582)]