20937029596

素因数分解:

$2^2\times 7^1\times {\mathrm{103}}^1\times {\mathrm{191}}^2\times {\mathrm{199}}^1$

素因数の和:695

約数の個数: 72

約数和(自身を含む): 42716710400

約数和(自身を除く): 21779680804

約数列:

[1, 2, 4, 7, 14, 28, 103, 191, 199, 206, 382, 398, 412, 721, 764, 796, 1337, 1393, 1442, 2674, 2786, 2884, 5348, 5572, 19673, 20497, 36481, 38009, 39346, 40994, 72962, 76018, 78692, 81988, 137711, 143479, 145924, 152036, 255367, 266063, 275422, 286958, 510734, 532126, 550844, 573916, 1021468, 1064252, 3757543, 3914927, 7259719, 7515086, 7829854, 14519438, 15030172, 15659708, 26302801, 27404489, 29038876, 50818033, 52605602, 54808978, 101636066, 105211204, 109617956, 203272132, 747751057, 1495502114, 2991004228, 5234257399, 10468514798, 20937029596]

約数ペア:

[(1, 20937029596), (2, 10468514798), (4, 5234257399), (7, 2991004228), (14, 1495502114), (28, 747751057), (103, 203272132), (191, 109617956), (199, 105211204), (206, 101636066), (382, 54808978), (398, 52605602), (412, 50818033), (721, 29038876), (764, 27404489), (796, 26302801), (1337, 15659708), (1393, 15030172), (1442, 14519438), (2674, 7829854), (2786, 7515086), (2884, 7259719), (5348, 3914927), (5572, 3757543), (19673, 1064252), (20497, 1021468), (36481, 573916), (38009, 550844), (39346, 532126), (40994, 510734), (72962, 286958), (76018, 275422), (78692, 266063), (81988, 255367), (137711, 152036), (143479, 145924)]