20129121830

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^2\times {\mathrm{223831}}^1$

素因数の和:223901

約数の個数: 48

約数和(自身を含む): 40104427104

約数和(自身を除く): 19975305274

約数列:

[1, 2, 5, 10, 17, 23, 34, 46, 85, 115, 170, 230, 391, 529, 782, 1058, 1955, 2645, 3910, 5290, 8993, 17986, 44965, 89930, 223831, 447662, 1119155, 2238310, 3805127, 5148113, 7610254, 10296226, 19025635, 25740565, 38051270, 51481130, 87517921, 118406599, 175035842, 236813198, 437589605, 592032995, 875179210, 1184065990, 2012912183, 4025824366, 10064560915, 20129121830]

約数ペア:

[(1, 20129121830), (2, 10064560915), (5, 4025824366), (10, 2012912183), (17, 1184065990), (23, 875179210), (34, 592032995), (46, 437589605), (85, 236813198), (115, 175035842), (170, 118406599), (230, 87517921), (391, 51481130), (529, 38051270), (782, 25740565), (1058, 19025635), (1955, 10296226), (2645, 7610254), (3910, 5148113), (5290, 3805127), (8993, 2238310), (17986, 1119155), (44965, 447662), (89930, 223831)]