20663706

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{21391}}^1$

素因数の和:21426

約数の個数: 32

約数和(自身を含む): 49287168

約数和(自身を除く): 28623462

約数列:

[1, 2, 3, 6, 7, 14, 21, 23, 42, 46, 69, 138, 161, 322, 483, 966, 21391, 42782, 64173, 128346, 149737, 299474, 449211, 491993, 898422, 983986, 1475979, 2951958, 3443951, 6887902, 10331853, 20663706]

約数ペア:

[(1, 20663706), (2, 10331853), (3, 6887902), (6, 3443951), (7, 2951958), (14, 1475979), (21, 983986), (23, 898422), (42, 491993), (46, 449211), (69, 299474), (138, 149737), (161, 128346), (322, 64173), (483, 42782), (966, 21391)]