20229860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{229}}^1\times {\mathrm{631}}^1$

素因数の和:876

約数の個数: 48

約数和(自身を含む): 48840960

約数和(自身を除く): 28611100

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 229, 458, 631, 916, 1145, 1262, 1603, 2290, 2524, 3155, 3206, 4417, 4580, 6310, 6412, 8015, 8834, 12620, 16030, 17668, 22085, 32060, 44170, 88340, 144499, 288998, 577996, 722495, 1011493, 1444990, 2022986, 2889980, 4045972, 5057465, 10114930, 20229860]

約数ペア:

[(1, 20229860), (2, 10114930), (4, 5057465), (5, 4045972), (7, 2889980), (10, 2022986), (14, 1444990), (20, 1011493), (28, 722495), (35, 577996), (70, 288998), (140, 144499), (229, 88340), (458, 44170), (631, 32060), (916, 22085), (1145, 17668), (1262, 16030), (1603, 12620), (2290, 8834), (2524, 8015), (3155, 6412), (3206, 6310), (4417, 4580)]