20823894

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{12713}}^1$

素因数の和:12741

約数の個数: 48

約数和(自身を含む): 55534752

約数和(自身を除く): 34710858

約数列:

[1, 2, 3, 6, 7, 9, 13, 14, 18, 21, 26, 39, 42, 63, 78, 91, 117, 126, 182, 234, 273, 546, 819, 1638, 12713, 25426, 38139, 76278, 88991, 114417, 165269, 177982, 228834, 266973, 330538, 495807, 533946, 800919, 991614, 1156883, 1487421, 1601838, 2313766, 2974842, 3470649, 6941298, 10411947, 20823894]

約数ペア:

[(1, 20823894), (2, 10411947), (3, 6941298), (6, 3470649), (7, 2974842), (9, 2313766), (13, 1601838), (14, 1487421), (18, 1156883), (21, 991614), (26, 800919), (39, 533946), (42, 495807), (63, 330538), (78, 266973), (91, 228834), (117, 177982), (126, 165269), (182, 114417), (234, 88991), (273, 76278), (546, 38139), (819, 25426), (1638, 12713)]