20175948

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{2269}}^1$

素因数の和:2311

約数の個数: 72

約数和(自身を含む): 57839600

約数和(自身を除く): 37663652

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 19, 26, 36, 38, 39, 52, 57, 76, 78, 114, 117, 156, 171, 228, 234, 247, 342, 468, 494, 684, 741, 988, 1482, 2223, 2269, 2964, 4446, 4538, 6807, 8892, 9076, 13614, 20421, 27228, 29497, 40842, 43111, 58994, 81684, 86222, 88491, 117988, 129333, 172444, 176982, 258666, 265473, 353964, 387999, 517332, 530946, 560443, 775998, 1061892, 1120886, 1551996, 1681329, 2241772, 3362658, 5043987, 6725316, 10087974, 20175948]

約数ペア:

[(1, 20175948), (2, 10087974), (3, 6725316), (4, 5043987), (6, 3362658), (9, 2241772), (12, 1681329), (13, 1551996), (18, 1120886), (19, 1061892), (26, 775998), (36, 560443), (38, 530946), (39, 517332), (52, 387999), (57, 353964), (76, 265473), (78, 258666), (114, 176982), (117, 172444), (156, 129333), (171, 117988), (228, 88491), (234, 86222), (247, 81684), (342, 58994), (468, 43111), (494, 40842), (684, 29497), (741, 27228), (988, 20421), (1482, 13614), (2223, 9076), (2269, 8892), (2964, 6807), (4446, 4538)]