20880126

素因数分解:

$2^1\times 3^3\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{433}}^1$

素因数の和:510

約数の個数: 64

約数和(自身を含む): 49996800

約数和(自身を除く): 29116674

約数列:

[1, 2, 3, 6, 9, 18, 19, 27, 38, 47, 54, 57, 94, 114, 141, 171, 282, 342, 423, 433, 513, 846, 866, 893, 1026, 1269, 1299, 1786, 2538, 2598, 2679, 3897, 5358, 7794, 8037, 8227, 11691, 16074, 16454, 20351, 23382, 24111, 24681, 40702, 48222, 49362, 61053, 74043, 122106, 148086, 183159, 222129, 366318, 386669, 444258, 549477, 773338, 1098954, 1160007, 2320014, 3480021, 6960042, 10440063, 20880126]

約数ペア:

[(1, 20880126), (2, 10440063), (3, 6960042), (6, 3480021), (9, 2320014), (18, 1160007), (19, 1098954), (27, 773338), (38, 549477), (47, 444258), (54, 386669), (57, 366318), (94, 222129), (114, 183159), (141, 148086), (171, 122106), (282, 74043), (342, 61053), (423, 49362), (433, 48222), (513, 40702), (846, 24681), (866, 24111), (893, 23382), (1026, 20351), (1269, 16454), (1299, 16074), (1786, 11691), (2538, 8227), (2598, 8037), (2679, 7794), (3897, 5358)]