20265643492

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{127}}^1\times {\mathrm{1181}}^1\times {\mathrm{1987}}^1$

素因数の和:3316

約数の個数: 48

約数和(自身を含む): 37897832448

約数和(自身を除く): 17632188956

約数列:

[1, 2, 4, 17, 34, 68, 127, 254, 508, 1181, 1987, 2159, 2362, 3974, 4318, 4724, 7948, 8636, 20077, 33779, 40154, 67558, 80308, 135116, 149987, 252349, 299974, 504698, 599948, 1009396, 2346647, 2549779, 4289933, 4693294, 5099558, 8579866, 9386588, 10199116, 17159732, 39892999, 79785998, 159571996, 298024169, 596048338, 1192096676, 5066410873, 10132821746, 20265643492]

約数ペア:

[(1, 20265643492), (2, 10132821746), (4, 5066410873), (17, 1192096676), (34, 596048338), (68, 298024169), (127, 159571996), (254, 79785998), (508, 39892999), (1181, 17159732), (1987, 10199116), (2159, 9386588), (2362, 8579866), (3974, 5099558), (4318, 4693294), (4724, 4289933), (7948, 2549779), (8636, 2346647), (20077, 1009396), (33779, 599948), (40154, 504698), (67558, 299974), (80308, 252349), (135116, 149987)]