20880451539

素因数分解:

$3^3\times {\mathrm{97}}^1\times {\mathrm{1543}}^1\times {\mathrm{5167}}^1$

素因数の和:6816

約数の個数: 32

約数和(自身を含む): 31279216640

約数和(自身を除く): 10398765101

約数列:

[1, 3, 9, 27, 97, 291, 873, 1543, 2619, 4629, 5167, 13887, 15501, 41661, 46503, 139509, 149671, 449013, 501199, 1347039, 1503597, 4041117, 4510791, 7972681, 13532373, 23918043, 71754129, 215262387, 773350057, 2320050171, 6960150513, 20880451539]

約数ペア:

[(1, 20880451539), (3, 6960150513), (9, 2320050171), (27, 773350057), (97, 215262387), (291, 71754129), (873, 23918043), (1543, 13532373), (2619, 7972681), (4629, 4510791), (5167, 4041117), (13887, 1503597), (15501, 1347039), (41661, 501199), (46503, 449013), (139509, 149671)]