20619846

素因数分解:

$2^1\times 3^4\times {\mathrm{13}}^1\times {\mathrm{9791}}^1$

素因数の和:9818

約数の個数: 40

約数和(自身を含む): 49762944

約数和(自身を除く): 29143098

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 27, 39, 54, 78, 81, 117, 162, 234, 351, 702, 1053, 2106, 9791, 19582, 29373, 58746, 88119, 127283, 176238, 254566, 264357, 381849, 528714, 763698, 793071, 1145547, 1586142, 2291094, 3436641, 6873282, 10309923, 20619846]

約数ペア:

[(1, 20619846), (2, 10309923), (3, 6873282), (6, 3436641), (9, 2291094), (13, 1586142), (18, 1145547), (26, 793071), (27, 763698), (39, 528714), (54, 381849), (78, 264357), (81, 254566), (117, 176238), (162, 127283), (234, 88119), (351, 58746), (702, 29373), (1053, 19582), (2106, 9791)]