20347184468

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{257}}^1\times {\mathrm{89561}}^1$

素因数の和:89852

約数の個数: 48

約数和(自身を含む): 40760740944

約数和(自身を除く): 20413556476

約数列:

[1, 2, 4, 13, 17, 26, 34, 52, 68, 221, 257, 442, 514, 884, 1028, 3341, 4369, 6682, 8738, 13364, 17476, 56797, 89561, 113594, 179122, 227188, 358244, 1164293, 1522537, 2328586, 3045074, 4657172, 6090148, 19792981, 23017177, 39585962, 46034354, 79171924, 92068708, 299223301, 391292009, 598446602, 782584018, 1196893204, 1565168036, 5086796117, 10173592234, 20347184468]

約数ペア:

[(1, 20347184468), (2, 10173592234), (4, 5086796117), (13, 1565168036), (17, 1196893204), (26, 782584018), (34, 598446602), (52, 391292009), (68, 299223301), (221, 92068708), (257, 79171924), (442, 46034354), (514, 39585962), (884, 23017177), (1028, 19792981), (3341, 6090148), (4369, 4657172), (6682, 3045074), (8738, 2328586), (13364, 1522537), (17476, 1164293), (56797, 358244), (89561, 227188), (113594, 179122)]