20377540

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{1429}}^1$

素因数の和:1492

約数の個数: 48

約数和(自身を含む): 46126080

約数和(自身を除く): 25748540

約数列:

[1, 2, 4, 5, 10, 20, 23, 31, 46, 62, 92, 115, 124, 155, 230, 310, 460, 620, 713, 1426, 1429, 2852, 2858, 3565, 5716, 7130, 7145, 14260, 14290, 28580, 32867, 44299, 65734, 88598, 131468, 164335, 177196, 221495, 328670, 442990, 657340, 885980, 1018877, 2037754, 4075508, 5094385, 10188770, 20377540]

約数ペア:

[(1, 20377540), (2, 10188770), (4, 5094385), (5, 4075508), (10, 2037754), (20, 1018877), (23, 885980), (31, 657340), (46, 442990), (62, 328670), (92, 221495), (115, 177196), (124, 164335), (155, 131468), (230, 88598), (310, 65734), (460, 44299), (620, 32867), (713, 28580), (1426, 14290), (1429, 14260), (2852, 7145), (2858, 7130), (3565, 5716)]