20956772

素因数分解:

$2^2\times {\mathrm{19}}^2\times {\mathrm{23}}^1\times {\mathrm{631}}^1$

素因数の和:696

約数の個数: 36

約数和(自身を含む): 40453056

約数和(自身を除く): 19496284

約数列:

[1, 2, 4, 19, 23, 38, 46, 76, 92, 361, 437, 631, 722, 874, 1262, 1444, 1748, 2524, 8303, 11989, 14513, 16606, 23978, 29026, 33212, 47956, 58052, 227791, 275747, 455582, 551494, 911164, 1102988, 5239193, 10478386, 20956772]

約数ペア:

[(1, 20956772), (2, 10478386), (4, 5239193), (19, 1102988), (23, 911164), (38, 551494), (46, 455582), (76, 275747), (92, 227791), (361, 58052), (437, 47956), (631, 33212), (722, 29026), (874, 23978), (1262, 16606), (1444, 14513), (1748, 11989), (2524, 8303)]