20783682

素因数分解:

$2^1\times 3^3\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{431}}^1$

素因数の和:508

約数の個数: 64

約数和(自身を含む): 49766400

約数和(自身を除く): 28982718

約数列:

[1, 2, 3, 6, 9, 18, 19, 27, 38, 47, 54, 57, 94, 114, 141, 171, 282, 342, 423, 431, 513, 846, 862, 893, 1026, 1269, 1293, 1786, 2538, 2586, 2679, 3879, 5358, 7758, 8037, 8189, 11637, 16074, 16378, 20257, 23274, 24111, 24567, 40514, 48222, 49134, 60771, 73701, 121542, 147402, 182313, 221103, 364626, 384883, 442206, 546939, 769766, 1093878, 1154649, 2309298, 3463947, 6927894, 10391841, 20783682]

約数ペア:

[(1, 20783682), (2, 10391841), (3, 6927894), (6, 3463947), (9, 2309298), (18, 1154649), (19, 1093878), (27, 769766), (38, 546939), (47, 442206), (54, 384883), (57, 364626), (94, 221103), (114, 182313), (141, 147402), (171, 121542), (282, 73701), (342, 60771), (423, 49134), (431, 48222), (513, 40514), (846, 24567), (862, 24111), (893, 23274), (1026, 20257), (1269, 16378), (1293, 16074), (1786, 11637), (2538, 8189), (2586, 8037), (2679, 7758), (3879, 5358)]