20154405968

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{5237}}^1\times {\mathrm{7759}}^1$

素因数の和:13035

約数の個数: 40

約数和(自身を含む): 40321704960

約数和(自身を除く): 20167298992

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 496, 5237, 7759, 10474, 15518, 20948, 31036, 41896, 62072, 83792, 124144, 162347, 240529, 324694, 481058, 649388, 962116, 1298776, 1924232, 2597552, 3848464, 40633883, 81267766, 162535532, 325071064, 650142128, 1259650373, 2519300746, 5038601492, 10077202984, 20154405968]

約数ペア:

[(1, 20154405968), (2, 10077202984), (4, 5038601492), (8, 2519300746), (16, 1259650373), (31, 650142128), (62, 325071064), (124, 162535532), (248, 81267766), (496, 40633883), (5237, 3848464), (7759, 2597552), (10474, 1924232), (15518, 1298776), (20948, 962116), (31036, 649388), (41896, 481058), (62072, 324694), (83792, 240529), (124144, 162347)]