20124881478

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{7529}}^1\times {\mathrm{11423}}^1$

素因数の和:18973

約数の個数: 48

約数和(自身を含む): 46968405120

約数和(自身を除く): 26843523642

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 78, 117, 234, 7529, 11423, 15058, 22587, 22846, 34269, 45174, 67761, 68538, 97877, 102807, 135522, 148499, 195754, 205614, 293631, 296998, 445497, 587262, 880893, 890994, 1336491, 1761786, 2672982, 86003767, 172007534, 258011301, 516022602, 774033903, 1118048971, 1548067806, 2236097942, 3354146913, 6708293826, 10062440739, 20124881478]

約数ペア:

[(1, 20124881478), (2, 10062440739), (3, 6708293826), (6, 3354146913), (9, 2236097942), (13, 1548067806), (18, 1118048971), (26, 774033903), (39, 516022602), (78, 258011301), (117, 172007534), (234, 86003767), (7529, 2672982), (11423, 1761786), (15058, 1336491), (22587, 890994), (22846, 880893), (34269, 587262), (45174, 445497), (67761, 296998), (68538, 293631), (97877, 205614), (102807, 195754), (135522, 148499)]