20394252

素因数分解:

$2^2\times 3^2\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{251}}^1$

素因数の和:359

約数の個数: 72

約数和(自身を含む): 54027792

約数和(自身を除く): 33633540

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 37, 61, 74, 111, 122, 148, 183, 222, 244, 251, 333, 366, 444, 502, 549, 666, 732, 753, 1004, 1098, 1332, 1506, 2196, 2257, 2259, 3012, 4514, 4518, 6771, 9028, 9036, 9287, 13542, 15311, 18574, 20313, 27084, 27861, 30622, 37148, 40626, 45933, 55722, 61244, 81252, 83583, 91866, 111444, 137799, 167166, 183732, 275598, 334332, 551196, 566507, 1133014, 1699521, 2266028, 3399042, 5098563, 6798084, 10197126, 20394252]

約数ペア:

[(1, 20394252), (2, 10197126), (3, 6798084), (4, 5098563), (6, 3399042), (9, 2266028), (12, 1699521), (18, 1133014), (36, 566507), (37, 551196), (61, 334332), (74, 275598), (111, 183732), (122, 167166), (148, 137799), (183, 111444), (222, 91866), (244, 83583), (251, 81252), (333, 61244), (366, 55722), (444, 45933), (502, 40626), (549, 37148), (666, 30622), (732, 27861), (753, 27084), (1004, 20313), (1098, 18574), (1332, 15311), (1506, 13542), (2196, 9287), (2257, 9036), (2259, 9028), (3012, 6771), (4514, 4518)]