20159843571

素因数分解:

$3^3\times 7^2\times {\mathrm{53}}^1\times {\mathrm{107}}^1\times {\mathrm{2687}}^1$

素因数の和:2870

約数の個数: 96

約数和(自身を含む): 35742228480

約数和(自身を除く): 15582384909

約数列:

[1, 3, 7, 9, 21, 27, 49, 53, 63, 107, 147, 159, 189, 321, 371, 441, 477, 749, 963, 1113, 1323, 1431, 2247, 2597, 2687, 2889, 3339, 5243, 5671, 6741, 7791, 8061, 10017, 15729, 17013, 18809, 20223, 23373, 24183, 39697, 47187, 51039, 56427, 70119, 72549, 119091, 131663, 141561, 142411, 153117, 169281, 277879, 287509, 357273, 394989, 427233, 507843, 833637, 862527, 996877, 1071819, 1184967, 1281699, 2012563, 2500911, 2587581, 2990631, 3554901, 3845097, 6037689, 6978139, 7502733, 7762743, 8971893, 14087941, 15237977, 18113067, 20934417, 26915679, 42263823, 45713931, 54339201, 62803251, 106665839, 126791469, 137141793, 188409753, 319997517, 380374407, 411425379, 746660873, 959992551, 2239982619, 2879977653, 6719947857, 20159843571]

約数ペア:

[(1, 20159843571), (3, 6719947857), (7, 2879977653), (9, 2239982619), (21, 959992551), (27, 746660873), (49, 411425379), (53, 380374407), (63, 319997517), (107, 188409753), (147, 137141793), (159, 126791469), (189, 106665839), (321, 62803251), (371, 54339201), (441, 45713931), (477, 42263823), (749, 26915679), (963, 20934417), (1113, 18113067), (1323, 15237977), (1431, 14087941), (2247, 8971893), (2597, 7762743), (2687, 7502733), (2889, 6978139), (3339, 6037689), (5243, 3845097), (5671, 3554901), (6741, 2990631), (7791, 2587581), (8061, 2500911), (10017, 2012563), (15729, 1281699), (17013, 1184967), (18809, 1071819), (20223, 996877), (23373, 862527), (24183, 833637), (39697, 507843), (47187, 427233), (51039, 394989), (56427, 357273), (70119, 287509), (72549, 277879), (119091, 169281), (131663, 153117), (141561, 142411)]