20002064

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{151}}^1\times {\mathrm{487}}^1$

素因数の和:663

約数の個数: 40

約数和(自身を含む): 41390208

約数和(自身を除く): 21388144

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 151, 272, 302, 487, 604, 974, 1208, 1948, 2416, 2567, 3896, 5134, 7792, 8279, 10268, 16558, 20536, 33116, 41072, 66232, 73537, 132464, 147074, 294148, 588296, 1176592, 1250129, 2500258, 5000516, 10001032, 20002064]

約数ペア:

[(1, 20002064), (2, 10001032), (4, 5000516), (8, 2500258), (16, 1250129), (17, 1176592), (34, 588296), (68, 294148), (136, 147074), (151, 132464), (272, 73537), (302, 66232), (487, 41072), (604, 33116), (974, 20536), (1208, 16558), (1948, 10268), (2416, 8279), (2567, 7792), (3896, 5134)]