20180218084

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{211}}^1\times {\mathrm{108191}}^1$

素因数の和:108436

約数の個数: 48

約数和(自身を含む): 40460345856

約数和(自身を除く): 20280127772

約数列:

[1, 2, 4, 13, 17, 26, 34, 52, 68, 211, 221, 422, 442, 844, 884, 2743, 3587, 5486, 7174, 10972, 14348, 46631, 93262, 108191, 186524, 216382, 432764, 1406483, 1839247, 2812966, 3678494, 5625932, 7356988, 22828301, 23910211, 45656602, 47820422, 91313204, 95640844, 296767913, 388081117, 593535826, 776162234, 1187071652, 1552324468, 5045054521, 10090109042, 20180218084]

約数ペア:

[(1, 20180218084), (2, 10090109042), (4, 5045054521), (13, 1552324468), (17, 1187071652), (26, 776162234), (34, 593535826), (52, 388081117), (68, 296767913), (211, 95640844), (221, 91313204), (422, 47820422), (442, 45656602), (844, 23910211), (884, 22828301), (2743, 7356988), (3587, 5625932), (5486, 3678494), (7174, 2812966), (10972, 1839247), (14348, 1406483), (46631, 432764), (93262, 216382), (108191, 186524)]