20796516

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{1201}}^1$

素因数の和:1261

約数の個数: 72

約数和(自身を含む): 58191224

約数和(自身を除く): 37394708

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 37, 39, 52, 74, 78, 111, 117, 148, 156, 222, 234, 333, 444, 468, 481, 666, 962, 1201, 1332, 1443, 1924, 2402, 2886, 3603, 4329, 4804, 5772, 7206, 8658, 10809, 14412, 15613, 17316, 21618, 31226, 43236, 44437, 46839, 62452, 88874, 93678, 133311, 140517, 177748, 187356, 266622, 281034, 399933, 533244, 562068, 577681, 799866, 1155362, 1599732, 1733043, 2310724, 3466086, 5199129, 6932172, 10398258, 20796516]

約数ペア:

[(1, 20796516), (2, 10398258), (3, 6932172), (4, 5199129), (6, 3466086), (9, 2310724), (12, 1733043), (13, 1599732), (18, 1155362), (26, 799866), (36, 577681), (37, 562068), (39, 533244), (52, 399933), (74, 281034), (78, 266622), (111, 187356), (117, 177748), (148, 140517), (156, 133311), (222, 93678), (234, 88874), (333, 62452), (444, 46839), (468, 44437), (481, 43236), (666, 31226), (962, 21618), (1201, 17316), (1332, 15613), (1443, 14412), (1924, 10809), (2402, 8658), (2886, 7206), (3603, 5772), (4329, 4804)]