20065592560

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19293839}}^1$

素因数の和:19293865

約数の個数: 40

約数和(自身を含む): 50241159360

約数和(自身を除く): 30175566800

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 19293839, 38587678, 77175356, 96469195, 154350712, 192938390, 250819907, 308701424, 385876780, 501639814, 771753560, 1003279628, 1254099535, 1543507120, 2006559256, 2508199070, 4013118512, 5016398140, 10032796280, 20065592560]

約数ペア:

[(1, 20065592560), (2, 10032796280), (4, 5016398140), (5, 4013118512), (8, 2508199070), (10, 2006559256), (13, 1543507120), (16, 1254099535), (20, 1003279628), (26, 771753560), (40, 501639814), (52, 385876780), (65, 308701424), (80, 250819907), (104, 192938390), (130, 154350712), (208, 96469195), (260, 77175356), (520, 38587678), (1040, 19293839)]