20100560980

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{307}}^1\times {\mathrm{192571}}^1$

素因数の和:192904

約数の個数: 48

約数和(自身を含む): 44840005056

約数和(自身を除く): 24739444076

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 307, 340, 614, 1228, 1535, 3070, 5219, 6140, 10438, 20876, 26095, 52190, 104380, 192571, 385142, 770284, 962855, 1925710, 3273707, 3851420, 6547414, 13094828, 16368535, 32737070, 59119297, 65474140, 118238594, 236477188, 295596485, 591192970, 1005028049, 1182385940, 2010056098, 4020112196, 5025140245, 10050280490, 20100560980]

約数ペア:

[(1, 20100560980), (2, 10050280490), (4, 5025140245), (5, 4020112196), (10, 2010056098), (17, 1182385940), (20, 1005028049), (34, 591192970), (68, 295596485), (85, 236477188), (170, 118238594), (307, 65474140), (340, 59119297), (614, 32737070), (1228, 16368535), (1535, 13094828), (3070, 6547414), (5219, 3851420), (6140, 3273707), (10438, 1925710), (20876, 962855), (26095, 770284), (52190, 385142), (104380, 192571)]