20736716

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{5179}}^1$

素因数の和:5214

約数の個数: 48

約数和(自身を含む): 48733440

約数和(自身を除く): 27996724

約数列:

[1, 2, 4, 7, 11, 13, 14, 22, 26, 28, 44, 52, 77, 91, 143, 154, 182, 286, 308, 364, 572, 1001, 2002, 4004, 5179, 10358, 20716, 36253, 56969, 67327, 72506, 113938, 134654, 145012, 227876, 269308, 398783, 471289, 740597, 797566, 942578, 1481194, 1595132, 1885156, 2962388, 5184179, 10368358, 20736716]

約数ペア:

[(1, 20736716), (2, 10368358), (4, 5184179), (7, 2962388), (11, 1885156), (13, 1595132), (14, 1481194), (22, 942578), (26, 797566), (28, 740597), (44, 471289), (52, 398783), (77, 269308), (91, 227876), (143, 145012), (154, 134654), (182, 113938), (286, 72506), (308, 67327), (364, 56969), (572, 36253), (1001, 20716), (2002, 10358), (4004, 5179)]