20806398

素因数分解:

$2^1\times 3^2\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{1733}}^1$

素因数の和:1793

約数の個数: 48

約数和(自身を含む): 48690720

約数和(自身を除く): 27884322

約数列:

[1, 2, 3, 6, 9, 18, 23, 29, 46, 58, 69, 87, 138, 174, 207, 261, 414, 522, 667, 1334, 1733, 2001, 3466, 4002, 5199, 6003, 10398, 12006, 15597, 31194, 39859, 50257, 79718, 100514, 119577, 150771, 239154, 301542, 358731, 452313, 717462, 904626, 1155911, 2311822, 3467733, 6935466, 10403199, 20806398]

約数ペア:

[(1, 20806398), (2, 10403199), (3, 6935466), (6, 3467733), (9, 2311822), (18, 1155911), (23, 904626), (29, 717462), (46, 452313), (58, 358731), (69, 301542), (87, 239154), (138, 150771), (174, 119577), (207, 100514), (261, 79718), (414, 50257), (522, 39859), (667, 31194), (1334, 15597), (1733, 12006), (2001, 10398), (3466, 6003), (4002, 5199)]