20407841272

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{1013}}^1\times {\mathrm{27673}}^1$

素因数の和:28712

約数の個数: 64

約数和(自身を含む): 47143212480

約数和(自身を除く): 26735371208

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 52, 56, 91, 104, 182, 364, 728, 1013, 2026, 4052, 7091, 8104, 13169, 14182, 26338, 27673, 28364, 52676, 55346, 56728, 92183, 105352, 110692, 184366, 193711, 221384, 359749, 368732, 387422, 719498, 737464, 774844, 1438996, 1549688, 2518243, 2877992, 5036486, 10072972, 20145944, 28032749, 56065498, 112130996, 196229243, 224261992, 364425737, 392458486, 728851474, 784916972, 1457702948, 1569833944, 2550980159, 2915405896, 5101960318, 10203920636, 20407841272]

約数ペア:

[(1, 20407841272), (2, 10203920636), (4, 5101960318), (7, 2915405896), (8, 2550980159), (13, 1569833944), (14, 1457702948), (26, 784916972), (28, 728851474), (52, 392458486), (56, 364425737), (91, 224261992), (104, 196229243), (182, 112130996), (364, 56065498), (728, 28032749), (1013, 20145944), (2026, 10072972), (4052, 5036486), (7091, 2877992), (8104, 2518243), (13169, 1549688), (14182, 1438996), (26338, 774844), (27673, 737464), (28364, 719498), (52676, 387422), (55346, 368732), (56728, 359749), (92183, 221384), (105352, 193711), (110692, 184366)]