20198896120

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{2284943}}^1$

素因数の和:2284984

約数の個数: 64

約数和(自身を含む): 51822529920

約数和(自身を除く): 31623633800

約数列:

[1, 2, 4, 5, 8, 10, 13, 17, 20, 26, 34, 40, 52, 65, 68, 85, 104, 130, 136, 170, 221, 260, 340, 442, 520, 680, 884, 1105, 1768, 2210, 4420, 8840, 2284943, 4569886, 9139772, 11424715, 18279544, 22849430, 29704259, 38844031, 45698860, 59408518, 77688062, 91397720, 118817036, 148521295, 155376124, 194220155, 237634072, 297042590, 310752248, 388440310, 504972403, 594085180, 776880620, 1009944806, 1188170360, 1553761240, 2019889612, 2524862015, 4039779224, 5049724030, 10099448060, 20198896120]

約数ペア:

[(1, 20198896120), (2, 10099448060), (4, 5049724030), (5, 4039779224), (8, 2524862015), (10, 2019889612), (13, 1553761240), (17, 1188170360), (20, 1009944806), (26, 776880620), (34, 594085180), (40, 504972403), (52, 388440310), (65, 310752248), (68, 297042590), (85, 237634072), (104, 194220155), (130, 155376124), (136, 148521295), (170, 118817036), (221, 91397720), (260, 77688062), (340, 59408518), (442, 45698860), (520, 38844031), (680, 29704259), (884, 22849430), (1105, 18279544), (1768, 11424715), (2210, 9139772), (4420, 4569886), (8840, 2284943)]