20791330568

素因数分解:

$2^3\times {\mathrm{53}}^1\times {\mathrm{109}}^1\times {\mathrm{379}}^1\times {\mathrm{1187}}^1$

素因数の和:1734

約数の個数: 64

約数和(自身を含む): 40223304000

約数和(自身を除く): 19431973432

約数列:

[1, 2, 4, 8, 53, 106, 109, 212, 218, 379, 424, 436, 758, 872, 1187, 1516, 2374, 3032, 4748, 5777, 9496, 11554, 20087, 23108, 40174, 41311, 46216, 62911, 80348, 82622, 125822, 129383, 160696, 165244, 251644, 258766, 330488, 449873, 503288, 517532, 899746, 1035064, 1799492, 2189483, 3598984, 4378966, 6857299, 8757932, 13714598, 17515864, 23843269, 27429196, 47686538, 49036157, 54858392, 95373076, 98072314, 190746152, 196144628, 392289256, 2598916321, 5197832642, 10395665284, 20791330568]

約数ペア:

[(1, 20791330568), (2, 10395665284), (4, 5197832642), (8, 2598916321), (53, 392289256), (106, 196144628), (109, 190746152), (212, 98072314), (218, 95373076), (379, 54858392), (424, 49036157), (436, 47686538), (758, 27429196), (872, 23843269), (1187, 17515864), (1516, 13714598), (2374, 8757932), (3032, 6857299), (4748, 4378966), (5777, 3598984), (9496, 2189483), (11554, 1799492), (20087, 1035064), (23108, 899746), (40174, 517532), (41311, 503288), (46216, 449873), (62911, 330488), (80348, 258766), (82622, 251644), (125822, 165244), (129383, 160696)]