20453445392

素因数分解:

$2^4\times {\mathrm{53}}^1\times {\mathrm{109}}^1\times {\mathrm{221281}}^1$

素因数の和:221451

約数の個数: 40

約数和(自身を含む): 40746867480

約数和(自身を除く): 20293422088

約数列:

[1, 2, 4, 8, 16, 53, 106, 109, 212, 218, 424, 436, 848, 872, 1744, 5777, 11554, 23108, 46216, 92432, 221281, 442562, 885124, 1770248, 3540496, 11727893, 23455786, 24119629, 46911572, 48239258, 93823144, 96478516, 187646288, 192957032, 385914064, 1278340337, 2556680674, 5113361348, 10226722696, 20453445392]

約数ペア:

[(1, 20453445392), (2, 10226722696), (4, 5113361348), (8, 2556680674), (16, 1278340337), (53, 385914064), (106, 192957032), (109, 187646288), (212, 96478516), (218, 93823144), (424, 48239258), (436, 46911572), (848, 24119629), (872, 23455786), (1744, 11727893), (5777, 3540496), (11554, 1770248), (23108, 885124), (46216, 442562), (92432, 221281)]