20055222

素因数分解:

$2^1\times 3^3\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{1777}}^1$

素因数の和:1818

約数の個数: 64

約数和(自身を含む): 51206400

約数和(自身を除く): 31151178

約数列:

[1, 2, 3, 6, 9, 11, 18, 19, 22, 27, 33, 38, 54, 57, 66, 99, 114, 171, 198, 209, 297, 342, 418, 513, 594, 627, 1026, 1254, 1777, 1881, 3554, 3762, 5331, 5643, 10662, 11286, 15993, 19547, 31986, 33763, 39094, 47979, 58641, 67526, 95958, 101289, 117282, 175923, 202578, 303867, 351846, 371393, 527769, 607734, 742786, 911601, 1055538, 1114179, 1823202, 2228358, 3342537, 6685074, 10027611, 20055222]

約数ペア:

[(1, 20055222), (2, 10027611), (3, 6685074), (6, 3342537), (9, 2228358), (11, 1823202), (18, 1114179), (19, 1055538), (22, 911601), (27, 742786), (33, 607734), (38, 527769), (54, 371393), (57, 351846), (66, 303867), (99, 202578), (114, 175923), (171, 117282), (198, 101289), (209, 95958), (297, 67526), (342, 58641), (418, 47979), (513, 39094), (594, 33763), (627, 31986), (1026, 19547), (1254, 15993), (1777, 11286), (1881, 10662), (3554, 5643), (3762, 5331)]