20127760

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{10939}}^1$

素因数の和:10975

約数の個数: 40

約数和(自身を含む): 48836160

約数和(自身を除く): 28708400

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 40, 46, 80, 92, 115, 184, 230, 368, 460, 920, 1840, 10939, 21878, 43756, 54695, 87512, 109390, 175024, 218780, 251597, 437560, 503194, 875120, 1006388, 1257985, 2012776, 2515970, 4025552, 5031940, 10063880, 20127760]

約数ペア:

[(1, 20127760), (2, 10063880), (4, 5031940), (5, 4025552), (8, 2515970), (10, 2012776), (16, 1257985), (20, 1006388), (23, 875120), (40, 503194), (46, 437560), (80, 251597), (92, 218780), (115, 175024), (184, 109390), (230, 87512), (368, 54695), (460, 43756), (920, 21878), (1840, 10939)]