20507688

素因数分解:

$2^3\times 3^3\times {\mathrm{19}}^2\times {\mathrm{263}}^1$

素因数の和:316

約数の個数: 96

約数和(自身を含む): 60350400

約数和(自身を除く): 39842712

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 19, 24, 27, 36, 38, 54, 57, 72, 76, 108, 114, 152, 171, 216, 228, 263, 342, 361, 456, 513, 526, 684, 722, 789, 1026, 1052, 1083, 1368, 1444, 1578, 2052, 2104, 2166, 2367, 2888, 3156, 3249, 4104, 4332, 4734, 4997, 6312, 6498, 7101, 8664, 9468, 9747, 9994, 12996, 14202, 14991, 18936, 19494, 19988, 25992, 28404, 29982, 38988, 39976, 44973, 56808, 59964, 77976, 89946, 94943, 119928, 134919, 179892, 189886, 269838, 284829, 359784, 379772, 539676, 569658, 759544, 854487, 1079352, 1139316, 1708974, 2278632, 2563461, 3417948, 5126922, 6835896, 10253844, 20507688]

約数ペア:

[(1, 20507688), (2, 10253844), (3, 6835896), (4, 5126922), (6, 3417948), (8, 2563461), (9, 2278632), (12, 1708974), (18, 1139316), (19, 1079352), (24, 854487), (27, 759544), (36, 569658), (38, 539676), (54, 379772), (57, 359784), (72, 284829), (76, 269838), (108, 189886), (114, 179892), (152, 134919), (171, 119928), (216, 94943), (228, 89946), (263, 77976), (342, 59964), (361, 56808), (456, 44973), (513, 39976), (526, 38988), (684, 29982), (722, 28404), (789, 25992), (1026, 19988), (1052, 19494), (1083, 18936), (1368, 14991), (1444, 14202), (1578, 12996), (2052, 9994), (2104, 9747), (2166, 9468), (2367, 8664), (2888, 7101), (3156, 6498), (3249, 6312), (4104, 4997), (4332, 4734)]