20296028

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{683}}^1$

素因数の和:746

約数の個数: 48

約数和(自身を含む): 41368320

約数和(自身を除く): 21072292

約数列:

[1, 2, 4, 17, 19, 23, 34, 38, 46, 68, 76, 92, 323, 391, 437, 646, 683, 782, 874, 1292, 1366, 1564, 1748, 2732, 7429, 11611, 12977, 14858, 15709, 23222, 25954, 29716, 31418, 46444, 51908, 62836, 220609, 267053, 298471, 441218, 534106, 596942, 882436, 1068212, 1193884, 5074007, 10148014, 20296028]

約数ペア:

[(1, 20296028), (2, 10148014), (4, 5074007), (17, 1193884), (19, 1068212), (23, 882436), (34, 596942), (38, 534106), (46, 441218), (68, 298471), (76, 267053), (92, 220609), (323, 62836), (391, 51908), (437, 46444), (646, 31418), (683, 29716), (782, 25954), (874, 23222), (1292, 15709), (1366, 14858), (1564, 12977), (1748, 11611), (2732, 7429)]