20232182720

素因数分解:

$2^6\times 5^1\times {\mathrm{71}}^1\times {\mathrm{890501}}^1$

素因数の和:890589

約数の個数: 56

約数和(自身を含む): 48856501728

約数和(自身を除く): 28624319008

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 71, 80, 142, 160, 284, 320, 355, 568, 710, 1136, 1420, 2272, 2840, 4544, 5680, 11360, 22720, 890501, 1781002, 3562004, 4452505, 7124008, 8905010, 14248016, 17810020, 28496032, 35620040, 56992064, 63225571, 71240080, 126451142, 142480160, 252902284, 284960320, 316127855, 505804568, 632255710, 1011609136, 1264511420, 2023218272, 2529022840, 4046436544, 5058045680, 10116091360, 20232182720]

約数ペア:

[(1, 20232182720), (2, 10116091360), (4, 5058045680), (5, 4046436544), (8, 2529022840), (10, 2023218272), (16, 1264511420), (20, 1011609136), (32, 632255710), (40, 505804568), (64, 316127855), (71, 284960320), (80, 252902284), (142, 142480160), (160, 126451142), (284, 71240080), (320, 63225571), (355, 56992064), (568, 35620040), (710, 28496032), (1136, 17810020), (1420, 14248016), (2272, 8905010), (2840, 7124008), (4544, 4452505), (5680, 3562004), (11360, 1781002), (22720, 890501)]