20197508724

素因数分解:

$2^2\times 3^2\times {\mathrm{41}}^1\times {\mathrm{223}}^1\times {\mathrm{61363}}^1$

素因数の和:61637

約数の個数: 72

約数和(自身を含む): 52535438592

約数和(自身を除く): 32337929868

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 41, 82, 123, 164, 223, 246, 369, 446, 492, 669, 738, 892, 1338, 1476, 2007, 2676, 4014, 8028, 9143, 18286, 27429, 36572, 54858, 61363, 82287, 109716, 122726, 164574, 184089, 245452, 329148, 368178, 552267, 736356, 1104534, 2209068, 2515883, 5031766, 7547649, 10063532, 13683949, 15095298, 22642947, 27367898, 30190596, 41051847, 45285894, 54735796, 82103694, 90571788, 123155541, 164207388, 246311082, 492622164, 561041909, 1122083818, 1683125727, 2244167636, 3366251454, 5049377181, 6732502908, 10098754362, 20197508724]

約数ペア:

[(1, 20197508724), (2, 10098754362), (3, 6732502908), (4, 5049377181), (6, 3366251454), (9, 2244167636), (12, 1683125727), (18, 1122083818), (36, 561041909), (41, 492622164), (82, 246311082), (123, 164207388), (164, 123155541), (223, 90571788), (246, 82103694), (369, 54735796), (446, 45285894), (492, 41051847), (669, 30190596), (738, 27367898), (892, 22642947), (1338, 15095298), (1476, 13683949), (2007, 10063532), (2676, 7547649), (4014, 5031766), (8028, 2515883), (9143, 2209068), (18286, 1104534), (27429, 736356), (36572, 552267), (54858, 368178), (61363, 329148), (82287, 245452), (109716, 184089), (122726, 164574)]