20197356844

素因数分解:

$2^2\times 7^2\times {\mathrm{487}}^1\times {\mathrm{211597}}^1$

素因数の和:212102

約数の個数: 36

約数和(自身を含む): 41200669776

約数和(自身を除く): 21003312932

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 487, 974, 1948, 3409, 6818, 13636, 23863, 47726, 95452, 211597, 423194, 846388, 1481179, 2962358, 5924716, 10368253, 20736506, 41473012, 103047739, 206095478, 412190956, 721334173, 1442668346, 2885336692, 5049339211, 10098678422, 20197356844]

約数ペア:

[(1, 20197356844), (2, 10098678422), (4, 5049339211), (7, 2885336692), (14, 1442668346), (28, 721334173), (49, 412190956), (98, 206095478), (196, 103047739), (487, 41473012), (974, 20736506), (1948, 10368253), (3409, 5924716), (6818, 2962358), (13636, 1481179), (23863, 846388), (47726, 423194), (95452, 211597)]